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| * | | | | | ARM: dts: msm: Enable MPP06 for graphics support in MSM8996 CV2XGustavo Solaira2017-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable PMIC MPP06 to add graphics support for MSM8996 CV2X boards. Change-Id: I8e73704af3c6155e8ea18eff147e32befb4da7ce Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
* | | | | | | Merge "Merge android-4.4@d68ba9f (v4.4.89) into msm-4.4"Linux Build Service Account2017-10-17
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| * | | | | | Merge android-4.4@d68ba9f (v4.4.89) into msm-4.4Blagovest Kolenichev2017-09-29
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remove SGL terminator indicator when chaining MIPS: math-emu: MINA.<D|S>: Fix some cases of infinity and zero inputs MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of both infinite inputs MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of input values with opposite signs MIPS: math-emu: <MAX|MIN>.<D|S>: Fix cases of both inputs negative MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix cases of both inputs zero MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix quiet NaN propagation Input: i8042 - add Gigabyte P57 to the keyboard reset table tty: fix __tty_insert_flip_char regression tty: improve tty_insert_flip_char() slow path tty: improve tty_insert_flip_char() fast path mm: prevent double decrease of nr_reserved_highatomic nfsd: Fix general protection fault in release_lock_stateid() md/raid5: release/flush io in raid5_do_work() x86/fsgsbase/64: Report FSBASE and GSBASE correctly in core dumps f2fs: check hot_data for roll-forward recovery ipv6: fix typo in fib6_net_exit() ipv6: fix memory leak with multiple tables during netns destruction gianfar: Fix Tx flow control deactivation Revert "net: fix percpu memory leaks" Revert "net: use lib/percpu_counter API for fragmentation mem accounting" tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 Revert "net: phy: Correctly process PHY_HALTED in phy_stop_machine()" qlge: avoid memcpy buffer overflow ipv6: fix sparse warning on rt6i_node ipv6: add rcu grace period before freeing fib6_node ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() f2fs: fix a missing size change in f2fs_setattr f2fs: fix to access nullified flush_cmd_control pointer f2fs: free meta pages if sanity check for ckpt is failed f2fs: detect wrong layout f2fs: call sync_fs when f2fs is idle Revert "f2fs: use percpu_counter for # of dirty pages in inode" f2fs: return AOP_WRITEPAGE_ACTIVATE for writepage f2fs: do not activate auto_recovery for fallocated i_size f2fs: fix 32-bit build f2fs: fix incorrect free inode count in ->statfs f2fs: drop duplicate header timer.h f2fs: fix wrong AUTO_RECOVER condition f2fs: do not recover i_size if it's valid f2fs: fix fdatasync f2fs: fix to account total free nid correctly f2fs: fix an infinite loop when flush nodes in cp f2fs: don't wait writeback for datas during checkpoint f2fs: fix wrong written_valid_blocks counting f2fs: avoid BG_GC in f2fs_balance_fs f2fs: fix redundant block allocation f2fs: use err for f2fs_preallocate_blocks f2fs: support multiple devices f2fs: allow dio read for LFS mode f2fs: revert segment allocation for direct IO f2fs: return directly if block has been removed from the victim Revert "f2fs: do not recover from previous remained wrong dnodes" f2fs: remove checkpoint in f2fs_freeze f2fs: assign segments correctly for direct_io f2fs: fix wrong i_atime recovery f2fs: record inode updating status correctly f2fs: Trace reset zone events f2fs: Reset sequential zones on zoned block devices f2fs: Cache zoned block devices zone type f2fs: Do not allow adaptive mode for host-managed zoned block devices f2fs: Always enable discard for zoned blocks devices f2fs: Suppress discard warning message for zoned block devices f2fs: Check zoned block feature for host-managed zoned block devices f2fs: Use generic zoned block device terminology f2fs: Add missing break in switch-case f2fs: avoid infinite loop in the EIO case on recover_orphan_inodes f2fs: report error of f2fs_fill_dentries fs/crypto: catch up 4.9-rc6 f2fs: hide a maybe-uninitialized warning f2fs: remove percpu_count due to performance regression f2fs: make clean inodes when flushing inode page f2fs: keep dirty inodes selectively for checkpoint f2fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps f2fs: use BIO_MAX_PAGES for bio allocation f2fs: declare static function for __build_free_nids f2fs: call f2fs_balance_fs for setattr f2fs: count dirty inodes to flush node pages during checkpoint f2fs: avoid casted negative value as shrink count f2fs: don't interrupt free nids building during nid allocation f2fs: clean up free nid list operations f2fs: split free nid list f2fs: clear nlink if fail to add_link f2fs: fix sparse warnings f2fs: fix error handling in fsync_node_pages f2fs: fix to update largest extent under lock f2fs: be aware of extent beyond EOF in fiemap f2fs: don't miss any f2fs_balance_fs cases f2fs: add missing f2fs_balance_fs in f2fs_zero_range f2fs: give a chance to detach from dirty list f2fs: fix to release discard entries during checkpoint f2fs: exclude free nids building and allocation f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack f2fs: fix overflow due to condition check order posix_acl: Clear SGID bit when setting file permissions f2fs: fix wrong sum_page pointer in f2fs_gc f2fs: backport from (4c1fad64 - Merge tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs) Revert "ANDROID: sched/tune: Initialize raw_spin_lock in boosted_groups" BACKPORT: partial: mm, oom_reaper: do not mmput synchronously from the oom reaper context FROMLIST: android: binder: Don't get mm from task FROMLIST: android: binder: Remove unused vma argument FROMLIST: android: binder: Drop lru lock in isolate callback ANDROID: configs: remove config fragments drivers: cpufreq_interactive: handle error for module load fail UPSTREAM: Fix build break in fork.c when THREAD_SIZE < PAGE_SIZE Conflicts: android/configs/android-base.cfg android/configs/android-recommended.cfg fs/f2fs/data.c fs/f2fs/f2fs.h fs/f2fs/super.c include/linux/mm_types.h include/linux/sched.h kernel/fork.c Change-Id: I21a427f17e8a1892a212df7c8707f74fb37ce400 Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
| | * | | | | Merge 4.4.89 into android-4.4Greg Kroah-Hartman2017-09-27
| | |\ \ \ \ \ | | | | |_|/ / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.89 ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() ipv6: add rcu grace period before freeing fib6_node ipv6: fix sparse warning on rt6i_node qlge: avoid memcpy buffer overflow Revert "net: phy: Correctly process PHY_HALTED in phy_stop_machine()" tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 Revert "net: use lib/percpu_counter API for fragmentation mem accounting" Revert "net: fix percpu memory leaks" gianfar: Fix Tx flow control deactivation ipv6: fix memory leak with multiple tables during netns destruction ipv6: fix typo in fib6_net_exit() f2fs: check hot_data for roll-forward recovery x86/fsgsbase/64: Report FSBASE and GSBASE correctly in core dumps md/raid5: release/flush io in raid5_do_work() nfsd: Fix general protection fault in release_lock_stateid() mm: prevent double decrease of nr_reserved_highatomic tty: improve tty_insert_flip_char() fast path tty: improve tty_insert_flip_char() slow path tty: fix __tty_insert_flip_char regression Input: i8042 - add Gigabyte P57 to the keyboard reset table MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix quiet NaN propagation MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix cases of both inputs zero MIPS: math-emu: <MAX|MIN>.<D|S>: Fix cases of both inputs negative MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of input values with opposite signs MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of both infinite inputs MIPS: math-emu: MINA.<D|S>: Fix some cases of infinity and zero inputs crypto: AF_ALG - remove SGL terminator indicator when chaining ext4: fix incorrect quotaoff if the quota feature is enabled ext4: fix quota inconsistency during orphan cleanup for read-only mounts powerpc: Fix DAR reporting when alignment handler faults block: Relax a check in blk_start_queue() md/bitmap: disable bitmap_resize for file-backed bitmaps. skd: Avoid that module unloading triggers a use-after-free skd: Submit requests to firmware before triggering the doorbell scsi: zfcp: fix queuecommand for scsi_eh commands when DIX enabled scsi: zfcp: add handling for FCP_RESID_OVER to the fcp ingress path scsi: zfcp: fix capping of unsuccessful GPN_FT SAN response trace records scsi: zfcp: fix passing fsf_req to SCSI trace on TMF to correlate with HBA scsi: zfcp: fix missing trace records for early returns in TMF eh handlers scsi: zfcp: fix payload with full FCP_RSP IU in SCSI trace records scsi: zfcp: trace HBA FSF response by default on dismiss or timedout late response scsi: zfcp: trace high part of "new" 64 bit SCSI LUN scsi: megaraid_sas: Check valid aen class range to avoid kernel panic scsi: megaraid_sas: Return pended IOCTLs with cmd_status MFI_STAT_WRONG_STATE in case adapter is dead scsi: storvsc: fix memory leak on ring buffer busy scsi: sg: remove 'save_scat_len' scsi: sg: use standard lists for sg_requests scsi: sg: off by one in sg_ioctl() scsi: sg: factor out sg_fill_request_table() scsi: sg: fixup infoleak when using SG_GET_REQUEST_TABLE scsi: qla2xxx: Fix an integer overflow in sysfs code ftrace: Fix selftest goto location on error tracing: Apply trace_clock changes to instance max buffer ARC: Re-enable MMU upon Machine Check exception PCI: shpchp: Enable bridge bus mastering if MSI is enabled media: v4l2-compat-ioctl32: Fix timespec conversion media: uvcvideo: Prevent heap overflow when accessing mapped controls bcache: initialize dirty stripes in flash_dev_run() bcache: Fix leak of bdev reference bcache: do not subtract sectors_to_gc for bypassed IO bcache: correct cache_dirty_target in __update_writeback_rate() bcache: Correct return value for sysfs attach errors bcache: fix for gc and write-back race bcache: fix bch_hprint crash and improve output ftrace: Fix memleak when unregistering dynamic ops when tracing disabled Linux 4.4.89 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| | | * | | | ARC: Re-enable MMU upon Machine Check exceptionJose Abreu2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 1ee55a8f7f6b7ca4c0c59e0b4b4e3584a085c2d3 upstream. I recently came upon a scenario where I would get a double fault machine check exception tiriggered by a kernel module. However the ensuing crash stacktrace (ksym lookup) was not working correctly. Turns out that machine check auto-disables MMU while modules are allocated in kernel vaddr spapce. This patch re-enables the MMU before start printing the stacktrace making stacktracing of modules work upon a fatal exception. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Reviewed-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> [vgupta: moved code into low level handler to avoid in 2 places] Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | powerpc: Fix DAR reporting when alignment handler faultsMichael Ellerman2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit f9effe925039cf54489b5c04e0d40073bb3a123d upstream. Anton noticed that if we fault part way through emulating an unaligned instruction, we don't update the DAR to reflect that. The DAR value is eventually reported back to userspace as the address in the SEGV signal, and if userspace is using that value to demand fault then it can be confused by us not setting the value correctly. This patch is ugly as hell, but is intended to be the minimal fix and back ports easily. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: MINA.<D|S>: Fix some cases of infinity and zero inputsAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 304bfe473e70523e591fb1c9223289d355e0bdcb upstream. Fix following special cases for MINA>.<D|S>: - if one of the inputs is zero, and the other is subnormal, normal, or infinity, the value of the former should be returned (that is, a zero). - if one of the inputs is infinity, and the other input is normal, or subnormal, the value of the latter should be returned. The previous implementation's logic for such cases was incorrect - it appears as if it implements MAXA, and not MINA instruction. A relevant example: MINA.S fd,fs,ft: If fs contains 100.0, and ft contains 0.0, fd is going to contain 0.0 (without this patch, it used to contain 100.0). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16885/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of both infinite inputsAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 3444c4eb534c20e44f0d6670b34263efaf8b531f upstream. Fix the value returned by <MAXA|MINA>.<D|S> fd,fs,ft, if both inputs are infinite. The previous implementation returned always the value contained in ft in such cases. The correct behavior is specified in Mips instruction set manual and is as follows: fs ft MAXA MINA --------------------------------- inf inf inf inf inf -inf inf -inf -inf inf inf -inf -inf -inf -inf -inf A relevant example: MAXA.S fd,fs,ft: If fs contains +inf, and ft contains -inf, fd is going to contain +inf (without this patch, it used to contain -inf). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16884/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: <MAXA|MINA>.<D|S>: Fix cases of input values with opposite signsAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 1a41b3b441508ae63b1a9ec699ec94065739eb60 upstream. Fix the value returned by <MAXA|MINA>.<D|S>, if the inputs are normal fp numbers of the same absolute value, but opposite signs. A relevant example: MAXA.S fd,fs,ft: If fs contains -3.0, and ft contains +3.0, fd is going to contain +3.0 (without this patch, it used to contain -3.0). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16883/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: <MAX|MIN>.<D|S>: Fix cases of both inputs negativeAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit aabf5cf02e22ebc4e541adf835910f388b6c3e65 upstream. Fix the value returned by <MAX|MIN>.<D|S>, if both inputs are negative normal fp numbers. The previous logic did not take into account that if both inputs have the same sign, there should be separate treatment of the cases when both inputs are negative and when both inputs are positive. A relevant example: MAX.S fd,fs,ft: If fs contains -5.0, and ft contains -7.0, fd is going to contain -5.0 (without this patch, it used to contain -7.0). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16882/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix cases of both inputs zeroAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 15560a58bfd4ff82cdd16b2270d4ef9b06d2cc4d upstream. Fix the value returned by <MAX|MAXA|MIN|MINA>.<D|S>, if both inputs are zeros. The right behavior in such cases is stated in instruction reference manual and is as follows: fs ft MAX MIN MAXA MINA --------------------------------------------- 0 0 0 0 0 0 0 -0 0 -0 0 -0 -0 0 0 -0 0 -0 -0 -0 -0 -0 -0 -0 Prior to this patch, some of the above cases were yielding correct results. However, for the sake of code consistency, all such cases are rewritten in this patch. A relevant example: MAX.S fd,fs,ft: If fs contains +0.0, and ft contains -0.0, fd is going to contain +0.0 (without this patch, it used to contain -0.0). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16881/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | MIPS: math-emu: <MAX|MAXA|MIN|MINA>.<D|S>: Fix quiet NaN propagationAleksandar Markovic2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e78bf0dc4789bdea1453595ae89e8db65918e22e upstream. Fix the value returned by <MAX|MAXA|MIN|MINA>.<D|S> fd,fs,ft, if both inputs are quiet NaNs. The <MAX|MAXA|MIN|MINA>.<D|S> specifications state that the returned value in such cases should be the quiet NaN contained in register fs. A relevant example: MAX.S fd,fs,ft: If fs contains qNaN1, and ft contains qNaN2, fd is going to contain qNaN1 (without this patch, it used to contain qNaN2). Fixes: a79f5f9ba508 ("MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction") Fixes: 4e9561b20e2f ("MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction") Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bo Hu <bohu@google.com> Cc: Douglas Leung <douglas.leung@imgtec.com> Cc: Jin Qian <jinqian@google.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Petar Jovanovic <petar.jovanovic@imgtec.com> Cc: Raghu Gandham <raghu.gandham@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16880/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | x86/fsgsbase/64: Report FSBASE and GSBASE correctly in core dumpsAndy Lutomirski2017-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 9584d98bed7a7a904d0702ad06bbcc94703cb5b4 upstream. In ELF_COPY_CORE_REGS, we're copying from the current task, so accessing thread.fsbase and thread.gsbase makes no sense. Just read the values from the CPU registers. In practice, the old code would have been correct most of the time simply because thread.fsbase and thread.gsbase usually matched the CPU registers. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bpetkov@suse.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Chang Seok <chang.seok.bae@intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | Merge android-4.4@29d0b65 (v4.4.88) into msm-4.4Blagovest Kolenichev2017-09-21
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * refs/heads/tmp-29d0b65 Linux 4.4.88 xfs: XFS_IS_REALTIME_INODE() should be false if no rt device present NFS: Fix 2 use after free issues in the I/O code ARM: 8692/1: mm: abort uaccess retries upon fatal signal Bluetooth: Properly check L2CAP config option output buffer length ALSA: msnd: Optimize / harden DSP and MIDI loops locktorture: Fix potential memory leak with rw lock test btrfs: resume qgroup rescan on rw remount drm/bridge: adv7511: Re-write the i2c address before EDID probing drm/bridge: adv7511: Switch to using drm_kms_helper_hotplug_event() drm/bridge: adv7511: Use work_struct to defer hotplug handing to out of irq context drm/bridge: adv7511: Fix mutex deadlock when interrupts are disabled drm: adv7511: really enable interrupts for EDID detection scsi: sg: recheck MMAP_IO request length with lock held scsi: sg: protect against races between mmap() and SG_SET_RESERVED_SIZE cs5536: add support for IDE controller variant workqueue: Fix flag collision drm/nouveau/pci/msi: disable MSI on big-endian platforms by default mwifiex: correct channel stat buffer overflows dlm: avoid double-free on error path in dlm_device_{register,unregister} Bluetooth: Add support of 13d3:3494 RTL8723BE device rtlwifi: rtl_pci_probe: Fix fail path of _rtl_pci_find_adapter Input: trackpoint - assume 3 buttons when buttons detection fails ath10k: fix memory leak in rx ring buffer allocation intel_th: pci: Add Cannon Lake PCH-LP support intel_th: pci: Add Cannon Lake PCH-H support driver core: bus: Fix a potential double free staging/rts5208: fix incorrect shift to extract upper nybble USB: core: Avoid race of async_completed() w/ usbdev_release() usb:xhci:Fix regression when ATI chipsets detected usb: Add device quirk for Logitech HD Pro Webcam C920-C USB: serial: option: add support for D-Link DWM-157 C1 usb: quirks: add delay init quirk for Corsair Strafe RGB keyboard ANDROID: sdcardfs: Add missing break ANDROID: Sdcardfs: Move gid derivation under flag ANDROID: mnt: Fix freeing of mount data drivers: cpufreq: checks to avoid kernel crash in cpufreq_interactive ANDROID: Use sk_uid to replace uid get from socket file ANDROID: nf: xt_qtaguid: fix handling for cases where tunnels are used. Revert "ANDROID: Use sk_uid to replace uid get from socket file" ANDROID: fiq_debugger: Fix minor bug in code Conflicts: drivers/cpufreq/cpufreq_interactive.c drivers/net/wireless/ath/ath10k/core.c drivers/staging/android/fiq_debugger/fiq_debugger.c net/netfilter/xt_qtaguid.c Change-Id: I49c67ff84d4bee0799691cc1ee0a023e2dd13e66 Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
| | * | | | | Merge 4.4.88 into android-4.4Greg Kroah-Hartman2017-09-14
| | |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.88 usb: quirks: add delay init quirk for Corsair Strafe RGB keyboard USB: serial: option: add support for D-Link DWM-157 C1 usb: Add device quirk for Logitech HD Pro Webcam C920-C usb:xhci:Fix regression when ATI chipsets detected USB: core: Avoid race of async_completed() w/ usbdev_release() staging/rts5208: fix incorrect shift to extract upper nybble driver core: bus: Fix a potential double free intel_th: pci: Add Cannon Lake PCH-H support intel_th: pci: Add Cannon Lake PCH-LP support ath10k: fix memory leak in rx ring buffer allocation Input: trackpoint - assume 3 buttons when buttons detection fails rtlwifi: rtl_pci_probe: Fix fail path of _rtl_pci_find_adapter Bluetooth: Add support of 13d3:3494 RTL8723BE device dlm: avoid double-free on error path in dlm_device_{register,unregister} mwifiex: correct channel stat buffer overflows drm/nouveau/pci/msi: disable MSI on big-endian platforms by default workqueue: Fix flag collision cs5536: add support for IDE controller variant scsi: sg: protect against races between mmap() and SG_SET_RESERVED_SIZE scsi: sg: recheck MMAP_IO request length with lock held drm: adv7511: really enable interrupts for EDID detection drm/bridge: adv7511: Fix mutex deadlock when interrupts are disabled drm/bridge: adv7511: Use work_struct to defer hotplug handing to out of irq context drm/bridge: adv7511: Switch to using drm_kms_helper_hotplug_event() drm/bridge: adv7511: Re-write the i2c address before EDID probing btrfs: resume qgroup rescan on rw remount locktorture: Fix potential memory leak with rw lock test ALSA: msnd: Optimize / harden DSP and MIDI loops Bluetooth: Properly check L2CAP config option output buffer length ARM: 8692/1: mm: abort uaccess retries upon fatal signal NFS: Fix 2 use after free issues in the I/O code xfs: XFS_IS_REALTIME_INODE() should be false if no rt device present Linux 4.4.88 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| | | * | | | ARM: 8692/1: mm: abort uaccess retries upon fatal signalMark Rutland2017-09-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 746a272e44141af24a02f6c9b0f65f4c4598ed42 upstream. When there's a fatal signal pending, arm's do_page_fault() implementation returns 0. The intent is that we'll return to the faulting userspace instruction, delivering the signal on the way. However, if we take a fatal signal during fixing up a uaccess, this results in a return to the faulting kernel instruction, which will be instantly retried, resulting in the same fault being taken forever. As the task never reaches userspace, the signal is not delivered, and the task is left unkillable. While the task is stuck in this state, it can inhibit the forward progress of the system. To avoid this, we must ensure that when a fatal signal is pending, we apply any necessary fixup for a faulting kernel instruction. Thus we will return to an error path, and it is up to that code to make forward progress towards delivering the fatal signal. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Steve Capper <steve.capper@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | Merge android-4.4@a8935c9 (v4.4.87) into msm-4.4Blagovest Kolenichev2017-09-21
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * refs/heads/tmp-a8935c9: Linux 4.4.87 crypto: algif_skcipher - only call put_page on referenced and used pages epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove() kvm: arm/arm64: Force reading uncached stage2 PGD kvm: arm/arm64: Fix race in resetting stage2 PGD drm/ttm: Fix accounting error when fail to get pages for pool xfrm: policy: check policy direction value wl1251: add a missing spin_lock_init() CIFS: remove endian related sparse warning CIFS: Fix maximum SMB2 header size alpha: uapi: Add support for __SANE_USERSPACE_TYPES__ cpuset: Fix incorrect memory_pressure control file mapping cpumask: fix spurious cpumask_of_node() on non-NUMA multi-node configs ceph: fix readpage from fscache i2c: ismt: Return EMSGSIZE for block reads with bogus length i2c: ismt: Don't duplicate the receive length for block reads irqchip: mips-gic: SYNC after enabling GIC region ANDROID: cpufreq-dt: Set sane defaults for schedutil rate limits BACKPORT: cpufreq: schedutil: Use policy-dependent transition delays FROMLIST: binder: fix an ret value override FROMLIST: binder: fix memory corruption in binder_transaction binder Linux 4.4.86 drm/i915: fix compiler warning in drivers/gpu/drm/i915/intel_uncore.c scsi: sg: reset 'res_in_use' after unlinking reserved array scsi: sg: protect accesses to 'reserved' page array arm64: fpsimd: Prevent registers leaking across exec x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl arm64: mm: abort uaccess retries upon fatal signal lpfc: Fix Device discovery failures during switch reboot test. p54: memset(0) whole array lightnvm: initialize ppa_addr in dev_to_generic_addr() gcov: support GCC 7.1 gcov: add support for gcc version >= 6 i2c: jz4780: drop superfluous init btrfs: remove duplicate const specifier ALSA: au88x0: Fix zero clear of stream->resources scsi: isci: avoid array subscript warning sched: WALT: fix window mis-alignment sched: EAS: kill incorrect nohz idle cpu kick sched: EAS: fix incorrect energy delta calculation due to rounding error sched: EAS/WALT: take into account of waking task's load cpufreq: sched: WALT: don't apply capacity margin twice sched: WALT: fix potential overflow sched: EAS: schedfreq: fix CPU util over estimation sched: EAS/WALT: use cr_avg instead of prev_runnable_sum sched: WALT: fix broken cumulative runnable average accounting sched: deadline: WALT: account cumulative runnable avg FROMLIST: android: binder: Add page usage in binder stats FROMLIST: android: binder: Add shrinker tracepoints FROMLIST: android: binder: Add global lru shrinker to binder FROMLIST: android: binder: Move buffer out of area shared with user space FROMLIST: android: binder: Add allocator selftest FROMLIST: android: binder: Refactor prev and next buffer into a helper function android: android-base.config: enable IP6_NF_MATCH_RPFILTER UPSTREAM: cpufreq: schedutil: Use unsigned int for iowait boost UPSTREAM: cpufreq: schedutil: Make iowait boost more energy efficient Conflicts: drivers/cpufreq/cpufreq-dt.c kernel/sched/deadline.c kernel/sched/fair.c kernel/sched/sched.h Change-Id: Iee31db3fd1a0d1650ebf3d6de307a4e4637120b4 Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
| | * | | | | Merge 4.4.87 into android-4.4Greg Kroah-Hartman2017-09-07
| | |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.87 irqchip: mips-gic: SYNC after enabling GIC region i2c: ismt: Don't duplicate the receive length for block reads i2c: ismt: Return EMSGSIZE for block reads with bogus length ceph: fix readpage from fscache cpumask: fix spurious cpumask_of_node() on non-NUMA multi-node configs cpuset: Fix incorrect memory_pressure control file mapping alpha: uapi: Add support for __SANE_USERSPACE_TYPES__ CIFS: Fix maximum SMB2 header size CIFS: remove endian related sparse warning wl1251: add a missing spin_lock_init() xfrm: policy: check policy direction value drm/ttm: Fix accounting error when fail to get pages for pool kvm: arm/arm64: Fix race in resetting stage2 PGD kvm: arm/arm64: Force reading uncached stage2 PGD epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove() crypto: algif_skcipher - only call put_page on referenced and used pages Linux 4.4.87 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| | | * | | | kvm: arm/arm64: Force reading uncached stage2 PGDSuzuki K Poulose2017-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 2952a6070e07ebdd5896f1f5b861acad677caded upstream. Make sure we don't use a cached value of the KVM stage2 PGD while resetting the PGD. Cc: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Reviewed-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | kvm: arm/arm64: Fix race in resetting stage2 PGDSuzuki K Poulose2017-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 6c0d706b563af732adb094c5bf807437e8963e84 upstream. In kvm_free_stage2_pgd() we check the stage2 PGD before holding the lock and proceed to take the lock if it is valid. And we unmap the page tables, followed by releasing the lock. We reset the PGD only after dropping this lock, which could cause a race condition where another thread waiting on or even holding the lock, could potentially see that the PGD is still valid and proceed to perform a stage2 operation and later encounter a NULL PGD. [223090.242280] Unable to handle kernel NULL pointer dereference at virtual address 00000040 [223090.262330] PC is at unmap_stage2_range+0x8c/0x428 [223090.262332] LR is at kvm_unmap_hva_handler+0x2c/0x3c [223090.262531] Call trace: [223090.262533] [<ffff0000080adb78>] unmap_stage2_range+0x8c/0x428 [223090.262535] [<ffff0000080adf40>] kvm_unmap_hva_handler+0x2c/0x3c [223090.262537] [<ffff0000080ace2c>] handle_hva_to_gpa+0xb0/0x104 [223090.262539] [<ffff0000080af988>] kvm_unmap_hva+0x5c/0xbc [223090.262543] [<ffff0000080a2478>] kvm_mmu_notifier_invalidate_page+0x50/0x8c [223090.262547] [<ffff0000082274f8>] __mmu_notifier_invalidate_page+0x5c/0x84 [223090.262551] [<ffff00000820b700>] try_to_unmap_one+0x1d0/0x4a0 [223090.262553] [<ffff00000820c5c8>] rmap_walk+0x1cc/0x2e0 [223090.262555] [<ffff00000820c90c>] try_to_unmap+0x74/0xa4 [223090.262557] [<ffff000008230ce4>] migrate_pages+0x31c/0x5ac [223090.262561] [<ffff0000081f869c>] compact_zone+0x3fc/0x7ac [223090.262563] [<ffff0000081f8ae0>] compact_zone_order+0x94/0xb0 [223090.262564] [<ffff0000081f91c0>] try_to_compact_pages+0x108/0x290 [223090.262569] [<ffff0000081d5108>] __alloc_pages_direct_compact+0x70/0x1ac [223090.262571] [<ffff0000081d64a0>] __alloc_pages_nodemask+0x434/0x9f4 [223090.262572] [<ffff0000082256f0>] alloc_pages_vma+0x230/0x254 [223090.262574] [<ffff000008235e5c>] do_huge_pmd_anonymous_page+0x114/0x538 [223090.262576] [<ffff000008201bec>] handle_mm_fault+0xd40/0x17a4 [223090.262577] [<ffff0000081fb324>] __get_user_pages+0x12c/0x36c [223090.262578] [<ffff0000081fb804>] get_user_pages_unlocked+0xa4/0x1b8 [223090.262579] [<ffff0000080a3ce8>] __gfn_to_pfn_memslot+0x280/0x31c [223090.262580] [<ffff0000080a3dd0>] gfn_to_pfn_prot+0x4c/0x5c [223090.262582] [<ffff0000080af3f8>] kvm_handle_guest_abort+0x240/0x774 [223090.262584] [<ffff0000080b2bac>] handle_exit+0x11c/0x1ac [223090.262586] [<ffff0000080ab99c>] kvm_arch_vcpu_ioctl_run+0x31c/0x648 [223090.262587] [<ffff0000080a1d78>] kvm_vcpu_ioctl+0x378/0x768 [223090.262590] [<ffff00000825df5c>] do_vfs_ioctl+0x324/0x5a4 [223090.262591] [<ffff00000825e26c>] SyS_ioctl+0x90/0xa4 [223090.262595] [<ffff000008085d84>] el0_svc_naked+0x38/0x3c This patch moves the stage2 PGD manipulation under the lock. Reported-by: Alexander Graf <agraf@suse.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Reviewed-by: Christoffer Dall <cdall@linaro.org> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | alpha: uapi: Add support for __SANE_USERSPACE_TYPES__Ben Hutchings2017-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit cec80d82142ab25c71eee24b529cfeaf17c43062 upstream. This fixes compiler errors in perf such as: tests/attr.c: In function 'store_event': tests/attr.c:66:27: error: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type '__u64 {aka long unsigned int}' [-Werror=format=] snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, ^ Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Michael Cree <mcree@orcon.net.nz> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | * | | | | Merge 4.4.86 into android-4.4Greg Kroah-Hartman2017-09-04
| | |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.86 scsi: isci: avoid array subscript warning ALSA: au88x0: Fix zero clear of stream->resources btrfs: remove duplicate const specifier i2c: jz4780: drop superfluous init gcov: add support for gcc version >= 6 gcov: support GCC 7.1 lightnvm: initialize ppa_addr in dev_to_generic_addr() p54: memset(0) whole array lpfc: Fix Device discovery failures during switch reboot test. arm64: mm: abort uaccess retries upon fatal signal x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl arm64: fpsimd: Prevent registers leaking across exec scsi: sg: protect accesses to 'reserved' page array scsi: sg: reset 'res_in_use' after unlinking reserved array drm/i915: fix compiler warning in drivers/gpu/drm/i915/intel_uncore.c Linux 4.4.86 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| | | * | | | arm64: fpsimd: Prevent registers leaking across execDave Martin2017-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 096622104e14d8a1db4860bd557717067a0515d2 upstream. There are some tricky dependencies between the different stages of flushing the FPSIMD register state during exec, and these can race with context switch in ways that can cause the old task's regs to leak across. In particular, a context switch during the memset() can cause some of the task's old FPSIMD registers to reappear. Disabling preemption for this small window would be no big deal for performance: preemption is already disabled for similar scenarios like updating the FPSIMD registers in sigreturn. So, instead of rearranging things in ways that might swap existing subtle bugs for new ones, this patch just disables preemption around the FPSIMD state flushing so that races of this type can't occur here. This brings fpsimd_flush_thread() into line with other code paths. Fixes: 674c242c9323 ("arm64: flush FP/SIMD state correctly after execve()") Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outslArnd Bergmann2017-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 7206f9bf108eb9513d170c73f151367a1bdf3dbf upstream. The x86 version of insb/insw/insl uses an inline assembly that does not have the target buffer listed as an output. This can confuse the compiler, leading it to think that a subsequent access of the buffer is uninitialized: drivers/net/wireless/wl3501_cs.c: In function ‘wl3501_mgmt_scan_confirm’: drivers/net/wireless/wl3501_cs.c:665:9: error: ‘sig.status’ is used uninitialized in this function [-Werror=uninitialized] drivers/net/wireless/wl3501_cs.c:668:12: error: ‘sig.cap_info’ may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/net/sb1000.c: In function 'sb1000_rx': drivers/net/sb1000.c:775:9: error: 'st[0]' is used uninitialized in this function [-Werror=uninitialized] drivers/net/sb1000.c:776:10: error: 'st[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/net/sb1000.c:784:11: error: 'st[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized] I tried to mark the exact input buffer as an output here, but couldn't figure it out. As suggested by Linus, marking all memory as clobbered however is good enough too. For the outs operations, I also add the memory clobber, to force the input to be written to local variables. This is probably already guaranteed by the "asm volatile", but it can't hurt to do this for symmetry. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Borislav Petkov <bp@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Link: http://lkml.kernel.org/r/20170719125310.2487451-5-arnd@arndb.de Link: https://lkml.org/lkml/2017/7/12/605 Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | | * | | | arm64: mm: abort uaccess retries upon fatal signalMark Rutland2017-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 289d07a2dc6c6b6f3e4b8a62669320d99dbe6c3d upstream. When there's a fatal signal pending, arm64's do_page_fault() implementation returns 0. The intent is that we'll return to the faulting userspace instruction, delivering the signal on the way. However, if we take a fatal signal during fixing up a uaccess, this results in a return to the faulting kernel instruction, which will be instantly retried, resulting in the same fault being taken forever. As the task never reaches userspace, the signal is not delivered, and the task is left unkillable. While the task is stuck in this state, it can inhibit the forward progress of the system. To avoid this, we must ensure that when a fatal signal is pending, we apply any necessary fixup for a faulting kernel instruction. Thus we will return to an error path, and it is up to that code to make forward progress towards delivering the fatal signal. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Laura Abbott <labbott@redhat.com> Reviewed-by: Steve Capper <steve.capper@arm.com> Tested-by: Steve Capper <steve.capper@arm.com> Reviewed-by: James Morse <james.morse@arm.com> Tested-by: James Morse <james.morse@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | | | | | Merge "ARM: dts: msm: Add verify flag in fs_mgr of vendor"Linux Build Service Account2017-10-13
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| * | | | | | ARM: dts: msm: Add verify flag in fs_mgr of vendorSachin Grover2017-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add verify flag in fs_mgr of vendor label to enable verity on vendor partition for sdm630, sdm660 & msm8998. Change-Id: I172b3f8da55059658bb0caff5c8b2cab905a21ad Signed-off-by: Sachin Grover <sgrover@codeaurora.org>
* | | | | | | Merge "ARM: dts: msm: add the dtsi entries for DP PLL clocks for msm8998"Linux Build Service Account2017-10-12
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| * | | | | | ARM: dts: msm: add the dtsi entries for DP PLL clocks for msm8998Padmanabhan Komanduru2017-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The parent of DP VCO divided mux clock needs to be set from the Display Port driver based on the link rate. Add the dtsi entries needs for this support for msm8998. Change-Id: I76c2568579735f20106e40a359fd0052a2f51fbf Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
* | | | | | | defconfig: arm64: msm: Enable boot time marker on virtual platformZhiqiang Tu2017-10-09
|/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable boot time marker to profile booting time. Change-Id: I236f5e9076e4138fdb871c40afaa4cb691386485 Signed-off-by: Zhiqiang Tu <ztu@codeaurora.org>
* | | | | | Merge "ARM: dts: msm: Add device for boot time marker on msm8996 virtual ↵Linux Build Service Account2017-10-09
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| * | | | | ARM: dts: msm: Add device for boot time marker on msm8996 virtual platformZhiqiang Tu2017-09-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add mpm sleep counter and imem boot stats for boot status and boot time marker. Change-Id: I9053bf89d30e92f9f18a979356c5e4c4626f498d Signed-off-by: Zhiqiang Tu <ztu@codeaurora.org>
* | | | | | Merge "ARM: dts: msm: Add AFE clock version for primary auxpcm"Linux Build Service Account2017-10-05
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| * | | | | | ARM: dts: msm: Add AFE clock version for primary auxpcmVatsal Bucha2017-09-27
| | |_|_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kernel crash is observed when trying to access component because wcd_dsp_ctl is deregistered. This is due to failure in soundcard registration. The failure occurs due to msm unable to set aanc version. Update afe clock version for primary auxpcm resolves the issue. CRs-Fixed: 2113187 Change-Id: I8bb3c9a6946f1c1af88a62d7ee154b6e7ff904f4 Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
* | | | | | Merge "defconfig: msm: enable DRM driver for msm8996"Linux Build Service Account2017-10-05
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| * | | | | | defconfig: msm: enable DRM driver for msm8996Rahul Sharma2017-10-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change disables FB driver and enable DRM display driver on msm8996 device. Change-Id: I2df5ab4e24067f76ec45581b27a577f118b8cec8 Signed-off-by: Camus Wong <camusw@codeaurora.org> Signed-off-by: Rahul Sharma <sharah@codeaurora.org>
* | | | | | | Merge "ARM: dts: msm: use sde terminology for DRM based nodes"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: dts: msm: use sde terminology for DRM based nodesRahul Sharma2017-10-03
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This changes modifies compatible name for smmu_kms_unsec_cb to use sde terminology. Change-Id: I31ee9620f8bb54fd582d9c6b21f5df0fda3cb975 Signed-off-by: Rahul Sharma <sharah@codeaurora.org>
* | | | | | | Merge "defconfig: msm-auto: Enbale CONFIG_SLUB_DEBUG_ON"Linux Build Service Account2017-10-05
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| * | | | | | | defconfig: msm-auto: Enbale CONFIG_SLUB_DEBUG_ONYue Ma2017-10-02
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable CONFIG_SLUB_DEBUG_ON for MSM8996 AUTO platform in order to get more debug capability. Change-Id: I076395c4d4b950859afa2c1fffdc3687ba39a71d Signed-off-by: Yue Ma <yuem@codeaurora.org>
* | | | | | | Merge "ARM: dts: msm: change smb138x_parallel_slave node name"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: dts: msm: change smb138x_parallel_slave node nameNicholas Troast2017-09-29
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the smb138x_parallel_slave node name to smb138x_charger to be consistent with other smb charger node names. Change-Id: I2f325e943efbfa8d95223f830232246ee97149c4 Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
* | | | | | | Merge "ARM: enable vmalloc saving"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: enable vmalloc savingPrakash Gupta2017-09-28
| | |_|/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For some targets that have less vmalloc space this can be increased by enabling config ENABLE_VMALLOC_SAVING. With this config we can reclaim virtual mappings which remains unused because of non hlos carveout reservations in lowmem. Select the default method of reclaiming virtual memory as vmalloc saving. Change-Id: I05bbae3b554be54f74b740404dda0cdfa89084bd Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
* | | | | | | Merge "ath10k: Vote for hardware resources for WCN3990"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: dts: msm: update wcn3990 wlan device node for APQ8098Govind Singh2017-09-21
| | |_|_|/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add clock and regulator nodes for WCN3990. During recovery, there are cases where in WLAN driver running on APPS can access CE register causing exceptions because of hardware in reset state. Fix the issue by not resetting the hardware in WLAN firmware during recovery but halt the CE and MAC and reset the hardware only when reinitialization starts. For this to work, wcn3990 ath10k driver needs to keep the clock and regulator votes so that WLAN hardware will not go into weird state because of not resetting it but cutting the resources. Change-Id: Iaaa793956bed687e4d76acda93f7fa467773f013 Signed-off-by: Govind Singh <govinds@codeaurora.org>
* | | | | | | Merge "ARM: dts: msm: Add GPU speed bin 2 support for MSM8996v3"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: dts: msm: Add GPU speed bin 2 support for MSM8996v3Sathish Kumar2017-10-04
| | |_|/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GPU speed-bin 2 supports fmax of 560MHz and DDR 1555MHz. Add this config to MSM8996v3 to support required GPU fmax. Change-Id: Ibdf9bb63c7d8f0e980fbf3c192d536adeaeec52d Signed-off-by: Dumpeti Sathish Kumar <sathyanov14@codeaurora.org>
* | | | | | | Merge "ARM: dts: msm: Add fastrpc vmid flag for sdm660"Linux Build Service Account2017-10-05
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| * | | | | | | ARM: dts: msm: Add fastrpc vmid flag for sdm660Tharun Kumar Merugu2017-10-03
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add device specific flag for new vmid heap shared feature. Change-Id: I35cc0073a5fa10c715d520ebb9d77936a6820aa9 Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>