Merge android-4.4@d6fbbe5 (v4.4.93) into msm-4.4

* refs/heads/tmp-d6fbbe5
  Linux 4.4.93
  x86/alternatives: Fix alt_max_short macro to really be a max()
  USB: serial: console: fix use-after-free after failed setup
  USB: serial: qcserial: add Dell DW5818, DW5819
  USB: serial: option: add support for TP-Link LTE module
  USB: serial: cp210x: add support for ELV TFD500
  USB: serial: ftdi_sio: add id for Cypress WICED dev board
  fix unbalanced page refcounting in bio_map_user_iov
  direct-io: Prevent NULL pointer access in submit_page_section
  usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
  ALSA: line6: Fix leftover URB at error-path during probe
  ALSA: caiaq: Fix stray URB at probe error path
  ALSA: seq: Fix copy_from_user() call inside lock
  ALSA: seq: Fix use-after-free at creating a port
  ALSA: usb-audio: Kill stray URB at exiting
  iommu/amd: Finish TLB flush in amd_iommu_unmap()
  usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
  KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit
  crypto: shash - Fix zero-length shash ahash digest crash
  HID: usbhid: fix out-of-bounds bug
  dmaengine: edma: Align the memcpy acnt array size with the transfer
  MIPS: math-emu: Remove pr_err() calls from fpu_emu()
  USB: dummy-hcd: Fix deadlock caused by disconnect detection
  rcu: Allow for page faults in NMI handlers
  iwlwifi: mvm: use IWL_HCMD_NOCOPY for MCAST_FILTER_CMD
  nl80211: Define policy for packet pattern attributes
  CIFS: Reconnect expired SMB sessions
  ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets
  brcmfmac: add length check in brcmf_cfg80211_escan_handler()
  ANDROID: HACK: arm64: use -mno-implicit-float instead of -mgeneral-regs-only
  sched: Update task->on_rq when tasks are moving between runqueues
  FROMLIST: f2fs: expose some sectors to user in inline data or dentry case
  crypto: Work around deallocated stack frame reference gcc bug on sparc.
  UPSTREAM: f2fs: fix potential panic during fstrim
  ANDROID: fscrypt: remove unnecessary fscrypto.h
  ANDROID: binder: fix node sched policy calculation
  ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple
  CHROMIUM: arm64: Disable asm-operand-width warning for clang
  CHROMIUM: kbuild: clang: Disable the 'duplicate-decl-specifier' warning
  UPSTREAM: x86/build: Use cc-option to validate stack alignment parameter
  UPSTREAM: x86/build: Fix stack alignment for CLang
  UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub
  BACKPORT: efi/libstub/arm64: Force 'hidden' visibility for section markers
  UPSTREAM: compiler, clang: always inline when CONFIG_OPTIMIZE_INLINING is disabled
  UPSTREAM: x86/boot: #undef memcpy() et al in string.c
  UPSTREAM: crypto: arm64/sha - avoid non-standard inline asm tricks
  UPSTREAM: kbuild: clang: Disable 'address-of-packed-member' warning
  UPSTREAM: x86/build: Specify stack alignment for clang
  UPSTREAM: x86/build: Use __cc-option for boot code compiler options
  BACKPORT: kbuild: Add __cc-option macro
  UPSTREAM: x86/hweight: Don't clobber %rdi
  BACKPORT: x86/hweight: Get rid of the special calling convention
  BACKPORT: x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
  UPSTREAM: crypto, x86: aesni - fix token pasting for clang
  UPSTREAM: x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
  UPSTREAM: compiler, clang: properly override 'inline' for clang
  UPSTREAM: compiler, clang: suppress warning for unused static inline functions
  UPSTREAM: Kbuild: provide a __UNIQUE_ID for clang
  UPSTREAM: modules: mark __inittest/__exittest as __maybe_unused
  BACKPORT: kbuild: Add support to generate LLVM assembly files
  UPSTREAM: kbuild: use -Oz instead of -Os when using clang
  BACKPORT: kbuild, LLVMLinux: Add -Werror to cc-option to support clang
  UPSTREAM: kbuild: drop -Wno-unknown-warning-option from clang options
  UPSTREAM: kbuild: fix asm-offset generation to work with clang
  UPSTREAM: kbuild: consolidate redundant sed script ASM offset generation
  UPSTREAM: kbuild: Consolidate header generation from ASM offset information
  UPSTREAM: kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
  UPSTREAM: kbuild: Add better clang cross build support

Conflicts:
	arch/x86/lib/Makefile
	net/wireless/nl80211.c

Change-Id: I76032e8d1206903bc948b9ed918e7ddee7e746c7
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>

3 files changed, 8 insertions, 4 deletions

diff --git a/lib/Makefile b/lib/Makefile
index 3ea641eb91bc..8df8a9cc3e0b 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -60,8 +60,6 @@ obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
 
-GCOV_PROFILE_hweight.o := n
-CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
 
 obj-$(CONFIG_BTREE) += btree.o
diff --git a/lib/hweight.c b/lib/hweight.c
index 9a5c1f221558..43273a7d83cf 100644
--- a/lib/hweight.c
+++ b/lib/hweight.c
@@ -9,6 +9,7 @@
  * The Hamming Weight of a number is the total number of bits set in it.
  */
 
+#ifndef __HAVE_ARCH_SW_HWEIGHT
 unsigned int __sw_hweight32(unsigned int w)
 {
 #ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER
@@ -25,6 +26,7 @@ unsigned int __sw_hweight32(unsigned int w)
 #endif
 }
 EXPORT_SYMBOL(__sw_hweight32);
+#endif
 
 unsigned int __sw_hweight16(unsigned int w)
 {
@@ -43,6 +45,7 @@ unsigned int __sw_hweight8(unsigned int w)
 }
 EXPORT_SYMBOL(__sw_hweight8);
 
+#ifndef __HAVE_ARCH_SW_HWEIGHT
 unsigned long __sw_hweight64(__u64 w)
 {
 #if BITS_PER_LONG == 32
@@ -65,3 +68,4 @@ unsigned long __sw_hweight64(__u64 w)
 #endif
 }
 EXPORT_SYMBOL(__sw_hweight64);
+#endif
diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c
index acf9da449f81..2c573f08adb7 100644
--- a/lib/libcrc32c.c
+++ b/lib/libcrc32c.c
@@ -42,7 +42,7 @@ static struct crypto_shash *tfm;
 u32 crc32c(u32 crc, const void *address, unsigned int length)
 {
 	SHASH_DESC_ON_STACK(shash, tfm);
-	u32 *ctx = (u32 *)shash_desc_ctx(shash);
+	u32 ret, *ctx = (u32 *)shash_desc_ctx(shash);
 	int err;
 
 	shash->tfm = tfm;
@@ -52,7 +52,9 @@ u32 crc32c(u32 crc, const void *address, unsigned int length)
 	err = crypto_shash_update(shash, address, length);
 	BUG_ON(err);
 
-	return *ctx;
+	ret = *ctx;
+	barrier_data(ctx);
+	return ret;
 }
 
 EXPORT_SYMBOL(crc32c);