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authorSrinivasarao P <spathi@codeaurora.org>2017-12-26 18:27:12 +0530
committerSrinivasarao P <spathi@codeaurora.org>2017-12-26 18:37:32 +0530
commitf373da7543ac64952bc98652646712a694b942ac (patch)
treec94fb2e7d0d17f96d9f00eb9572daea4d3a45ba9 /arch
parent9841ef2ef2d380f47d37d5f3e505fa1bb44f9ec6 (diff)
parent482cc74cf79f3148b9901cb248aba6a43ec237a4 (diff)
Merge android-4.4.100 (482cc74) into msm-4.4
* refs/heads/tmp-482cc74 Linux 4.4.100 USB: serial: garmin_gps: fix memory leak on probe errors USB: serial: garmin_gps: fix I/O after failed probe and remove USB: serial: qcserial: add pid/vid for Sierra Wireless EM7355 fw update USB: Add delay-init quirk for Corsair K70 LUX keyboards USB: usbfs: compute urb->actual_length for isochronous uapi: fix linux/rds.h userspace compilation errors uapi: fix linux/rds.h userspace compilation error Revert "uapi: fix linux/rds.h userspace compilation errors" Revert "crypto: xts - Add ECB dependency" MIPS: Netlogic: Exclude netlogic,xlp-pic code from XLR builds MIPS: init: Ensure reserved memory regions are not added to bootmem MIPS: init: Ensure bootmem does not corrupt reserved memory mm: add PHYS_PFN, use it in __phys_to_pfn() MIPS: End asm function prologue macros with .insn staging: rtl8712: fixed little endian problem ixgbe: do not disable FEC from the driver ixgbe: add mask for 64 RSS queues ixgbe: Reduce I2C retry count on X550 devices ixgbe: handle close/suspend race with netif_device_detach/present ixgbe: fix AER error handling arm64: dts: NS2: reserve memory for Nitro firmware ALSA: hda/realtek - Add new codec ID ALC299 gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap backlight: adp5520: Fix error handling in adp5520_bl_probe() backlight: lcd: Fix race condition during register ALSA: vx: Fix possible transfer overflow ALSA: vx: Don't try to update capture stream before running scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload scsi: lpfc: Correct issue leading to oops during link reset scsi: lpfc: Correct host name in symbolic_name field scsi: lpfc: FCoE VPort enable-disable does not bring up the VPort scsi: lpfc: Add missing memory barrier staging: rtl8188eu: fix incorrect ERROR tags from logs scsi: ufs: add capability to keep auto bkops always enabled scsi: ufs-qcom: Fix module autoload igb: Fix hw_dbg logging in igb_update_flash_i210 igb: close/suspend race in netif_device_detach igb: reset the PHY before reading the PHY ID drm/sti: sti_vtg: Handle return NULL error from devm_ioremap_nocache ata: SATA_MV should depend on HAS_DMA ata: SATA_HIGHBANK should depend on HAS_DMA ata: ATA_BMDMA should depend on HAS_DMA ARM: dts: Fix omap3 off mode pull defines ARM: OMAP2+: Fix init for multiple quirks for the same SoC ARM: dts: Fix am335x and dm814x scm syscon to probe children ARM: dts: Fix compatible for ti81xx uarts for 8250 fm10k: request reset when mbx->state changes extcon: palmas: Check the parent instance to prevent the NULL dmaengine: dmatest: warn user when dma test times out Bluetooth: btusb: fix QCA Rome suspend/resume arm: crypto: reduce priority of bit-sliced AES cipher net: qmi_wwan: fix divide by 0 on bad descriptors net: cdc_ether: fix divide by 0 on bad descriptors sctp: do not peel off an assoc from one netns to another one xen-blkback: don't leak stack data via response ring bpf: don't let ldimm64 leak map addresses on unprivileged KVM: x86: fix singlestepping over syscall ext4: fix data exposure after a crash media: dib0700: fix invalid dvb_detach argument media: imon: Fix null-ptr-deref in imon_probe BACKPORT: arm64: Use __pa_symbol for empty_zero_page BACKPORT: arm64: Use __pa_symbol for kernel symbols UPSTREAM: mm: Introduce lm_alias Conflicts: arch/arm64/kernel/insn.c arch/arm64/kernel/setup.c arch/arm64/mm/mmu.c drivers/scsi/ufs/ufshcd.h Change-Id: I4ffc41779ec115eecab09d72dd8042151514be39 Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/am33xx.dtsi3
-rw-r--r--arch/arm/boot/dts/dm814x.dtsi9
-rw-r--r--arch/arm/boot/dts/dm816x.dtsi6
-rw-r--r--arch/arm/crypto/aesbs-glue.c6
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c1
-rw-r--r--arch/arm64/boot/dts/broadcom/ns2.dtsi2
-rw-r--r--arch/arm64/include/asm/kvm_mmu.h2
-rw-r--r--arch/arm64/include/asm/memory.h1
-rw-r--r--arch/arm64/include/asm/mmu_context.h6
-rw-r--r--arch/arm64/include/asm/pgtable.h2
-rw-r--r--arch/arm64/kernel/acpi_parking_protocol.c3
-rw-r--r--arch/arm64/kernel/cpufeature.c1
-rw-r--r--arch/arm64/kernel/insn.c2
-rw-r--r--arch/arm64/kernel/psci.c4
-rw-r--r--arch/arm64/kernel/setup.c13
-rw-r--r--arch/arm64/kernel/smp_spin_table.c3
-rw-r--r--arch/arm64/kernel/vdso.c8
-rw-r--r--arch/arm64/mm/init.c9
-rw-r--r--arch/arm64/mm/kasan_init.c25
-rw-r--r--arch/arm64/mm/mmu.c35
-rw-r--r--arch/mips/include/asm/asm.h10
-rw-r--r--arch/mips/kernel/setup.c78
-rw-r--r--arch/mips/netlogic/common/irq.c4
-rw-r--r--arch/x86/include/asm/kvm_emulate.h1
-rw-r--r--arch/x86/kvm/emulate.c1
-rw-r--r--arch/x86/kvm/x86.c52
26 files changed, 196 insertions, 91 deletions
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index d23e2524d694..be9c37e89be1 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -142,10 +142,11 @@
};
scm_conf: scm_conf@0 {
- compatible = "syscon";
+ compatible = "syscon", "simple-bus";
reg = <0x0 0x800>;
#address-cells = <1>;
#size-cells = <1>;
+ ranges = <0 0 0x800>;
scm_clocks: clocks {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 7988b42e5764..c226c3d952d8 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -138,7 +138,7 @@
};
uart1: uart@20000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart1";
reg = <0x20000 0x2000>;
clock-frequency = <48000000>;
@@ -148,7 +148,7 @@
};
uart2: uart@22000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart2";
reg = <0x22000 0x2000>;
clock-frequency = <48000000>;
@@ -158,7 +158,7 @@
};
uart3: uart@24000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart3";
reg = <0x24000 0x2000>;
clock-frequency = <48000000>;
@@ -189,10 +189,11 @@
ranges = <0 0x160000 0x16d000>;
scm_conf: scm_conf@0 {
- compatible = "syscon";
+ compatible = "syscon", "simple-bus";
reg = <0x0 0x800>;
#address-cells = <1>;
#size-cells = <1>;
+ ranges = <0 0 0x800>;
scm_clocks: clocks {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index eee636de4cd8..e526928e6e96 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -347,7 +347,7 @@
};
uart1: uart@48020000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart1";
reg = <0x48020000 0x2000>;
clock-frequency = <48000000>;
@@ -357,7 +357,7 @@
};
uart2: uart@48022000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart2";
reg = <0x48022000 0x2000>;
clock-frequency = <48000000>;
@@ -367,7 +367,7 @@
};
uart3: uart@48024000 {
- compatible = "ti,omap3-uart";
+ compatible = "ti,am3352-uart", "ti,omap3-uart";
ti,hwmods = "uart3";
reg = <0x48024000 0x2000>;
clock-frequency = <48000000>;
diff --git a/arch/arm/crypto/aesbs-glue.c b/arch/arm/crypto/aesbs-glue.c
index 6d685298690e..648d5fac9cbf 100644
--- a/arch/arm/crypto/aesbs-glue.c
+++ b/arch/arm/crypto/aesbs-glue.c
@@ -357,7 +357,7 @@ static struct crypto_alg aesbs_algs[] = { {
}, {
.cra_name = "cbc(aes)",
.cra_driver_name = "cbc-aes-neonbs",
- .cra_priority = 300,
+ .cra_priority = 250,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER|CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct async_helper_ctx),
@@ -377,7 +377,7 @@ static struct crypto_alg aesbs_algs[] = { {
}, {
.cra_name = "ctr(aes)",
.cra_driver_name = "ctr-aes-neonbs",
- .cra_priority = 300,
+ .cra_priority = 250,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER|CRYPTO_ALG_ASYNC,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct async_helper_ctx),
@@ -397,7 +397,7 @@ static struct crypto_alg aesbs_algs[] = { {
}, {
.cra_name = "xts(aes)",
.cra_driver_name = "xts-aes-neonbs",
- .cra_priority = 300,
+ .cra_priority = 250,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER|CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct async_helper_ctx),
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 58144779dec4..1e6e09841707 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -522,7 +522,6 @@ static void pdata_quirks_check(struct pdata_init *quirks)
if (of_machine_is_compatible(quirks->compatible)) {
if (quirks->fn)
quirks->fn();
- break;
}
quirks++;
}
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index 3c92d92278e5..a14a6bb31887 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -30,6 +30,8 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/memreserve/ 0x81000000 0x00200000;
+
#include <dt-bindings/interrupt-controller/arm-gic.h>
/memreserve/ 0x84b00000 0x00000008;
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 320dc9c7e4f4..c6aae0b85cef 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -266,7 +266,7 @@ static inline void __kvm_flush_dcache_pud(pud_t pud)
kvm_flush_dcache_to_poc(page_address(page), PUD_SIZE);
}
-#define kvm_virt_to_phys(x) __virt_to_phys((unsigned long)(x))
+#define kvm_virt_to_phys(x) __pa_symbol(x)
void kvm_set_way_flush(struct kvm_vcpu *vcpu);
void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled);
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index ae11e8fdbfd2..915b2422d9d0 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -188,6 +188,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x))
+#define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x))
/*
* virt_to_page(k) convert a _valid_ virtual address to struct page *
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index f926b95928ee..474010134614 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -55,7 +55,7 @@ static inline void contextidr_thread_switch(struct task_struct *next)
*/
static inline void cpu_set_reserved_ttbr0(void)
{
- unsigned long ttbr = virt_to_phys(empty_zero_page);
+ unsigned long ttbr = __pa_symbol(empty_zero_page);
asm(
" msr ttbr0_el1, %0 // set TTBR0\n"
@@ -129,7 +129,7 @@ static inline void cpu_install_idmap(void)
local_flush_tlb_all();
cpu_set_idmap_tcr_t0sz();
- cpu_switch_mm(idmap_pg_dir, &init_mm);
+ cpu_switch_mm(lm_alias(idmap_pg_dir), &init_mm);
}
/*
@@ -144,7 +144,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgd)
phys_addr_t pgd_phys = virt_to_phys(pgd);
- replace_phys = (void *)virt_to_phys(idmap_cpu_replace_ttbr1);
+ replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1);
cpu_install_idmap();
replace_phys(pgd_phys);
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index ecd7dc14330c..6c3848f50fcc 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -120,7 +120,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
* for zero-mapped memory areas etc..
*/
extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
-#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)
+#define ZERO_PAGE(vaddr) phys_to_page(__pa_symbol(empty_zero_page))
#define pte_ERROR(pte) __pte_error(__FILE__, __LINE__, pte_val(pte))
diff --git a/arch/arm64/kernel/acpi_parking_protocol.c b/arch/arm64/kernel/acpi_parking_protocol.c
index 4b1e5a7a98da..89c96bd1aab9 100644
--- a/arch/arm64/kernel/acpi_parking_protocol.c
+++ b/arch/arm64/kernel/acpi_parking_protocol.c
@@ -17,6 +17,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/acpi.h>
+#include <linux/mm.h>
#include <linux/types.h>
#include <asm/cpu_ops.h>
@@ -102,7 +103,7 @@ static int acpi_parking_protocol_cpu_boot(unsigned int cpu)
* that read this address need to convert this address to the
* Boot-Loader's endianness before jumping.
*/
- writeq_relaxed(__pa(secondary_entry), &mailbox->entry_point);
+ writeq_relaxed(__pa_symbol(secondary_entry), &mailbox->entry_point);
writel_relaxed(cpu_entry->gic_cpu_id, &mailbox->cpu_id);
arch_send_wakeup_ipi_mask(cpumask_of(cpu));
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index f75000996e4c..3beb2b5cad6f 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -23,6 +23,7 @@
#include <linux/sort.h>
#include <linux/stop_machine.h>
#include <linux/types.h>
+#include <linux/mm.h>
#include <asm/cpu.h>
#include <asm/cpufeature.h>
#include <asm/cpu_ops.h>
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 5f72243e5ba7..a3f8f8bbfc92 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -98,7 +98,7 @@ static void __kprobes *patch_map(void *addr, int fixmap)
page = vmalloc_to_page(addr);
else if (!module && (IS_ENABLED(CONFIG_DEBUG_RODATA)
|| IS_ENABLED(CONFIG_KERNEL_TEXT_RDONLY)))
- page = virt_to_page(addr);
+ page = phys_to_page(__pa_symbol(addr));
else
return addr;
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index b9e7c42cd8eb..9006af285c39 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <linux/smp.h>
#include <linux/delay.h>
+#include <linux/mm.h>
#include <linux/psci.h>
#include <uapi/linux/psci.h>
@@ -46,7 +47,8 @@ static int __init cpu_psci_cpu_prepare(unsigned int cpu)
static int cpu_psci_cpu_boot(unsigned int cpu)
{
- int err = psci_ops.cpu_on(cpu_logical_map(cpu), __pa(secondary_entry));
+ int err = psci_ops.cpu_on(cpu_logical_map(cpu),
+ __pa_symbol(secondary_entry));
if (err)
pr_err("failed to boot CPU%d (%d)\n", cpu, err);
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index b8b40d95ebef..0b93365e8cf0 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -45,6 +45,7 @@
#include <linux/efi.h>
#include <linux/psci.h>
#include <linux/dma-mapping.h>
+#include <linux/mm.h>
#include <asm/acpi.h>
#include <asm/fixmap.h>
@@ -212,10 +213,10 @@ static void __init request_standard_resources(void)
struct memblock_region *region;
struct resource *res;
- kernel_code.start = virt_to_phys(_text);
- kernel_code.end = virt_to_phys(__init_begin - 1);
- kernel_data.start = virt_to_phys(_sdata);
- kernel_data.end = virt_to_phys(_end - 1);
+ kernel_code.start = __pa_symbol(_text);
+ kernel_code.end = __pa_symbol(__init_begin - 1);
+ kernel_data.start = __pa_symbol(_sdata);
+ kernel_data.end = __pa_symbol(_end - 1);
for_each_memblock(memory, region) {
res = alloc_bootmem_low(sizeof(*res));
@@ -367,9 +368,9 @@ void __init setup_arch(char **cmdline_p)
* thread.
*/
#ifdef CONFIG_THREAD_INFO_IN_TASK
- init_task.thread_info.ttbr0 = virt_to_phys(empty_zero_page);
+ init_task.thread_info.ttbr0 = __pa_symbol(empty_zero_page);
#else
- init_thread_info.ttbr0 = virt_to_phys(empty_zero_page);
+ init_thread_info.ttbr0 = __pa_symbol(empty_zero_page);
#endif
#endif
diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
index aef3605a8c47..2ccb883353d9 100644
--- a/arch/arm64/kernel/smp_spin_table.c
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -21,6 +21,7 @@
#include <linux/of.h>
#include <linux/smp.h>
#include <linux/types.h>
+#include <linux/mm.h>
#include <asm/cacheflush.h>
#include <asm/cpu_ops.h>
@@ -96,7 +97,7 @@ static int smp_spin_table_cpu_prepare(unsigned int cpu)
* boot-loader's endianess before jumping. This is mandated by
* the boot protocol.
*/
- writeq_relaxed(__pa(secondary_holding_pen), release_addr);
+ writeq_relaxed(__pa_symbol(secondary_holding_pen), release_addr);
__flush_dcache_area((__force void *)release_addr,
sizeof(*release_addr));
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 3b8acfae7797..b7730ba782dd 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -114,6 +114,7 @@ static struct vm_special_mapping vdso_spec[2];
static int __init vdso_init(void)
{
int i;
+ unsigned long pfn;
if (memcmp(&vdso_start, "\177ELF", 4)) {
pr_err("vDSO is not a valid ELF object!\n");
@@ -131,11 +132,14 @@ static int __init vdso_init(void)
return -ENOMEM;
/* Grab the vDSO data page. */
- vdso_pagelist[0] = virt_to_page(vdso_data);
+ vdso_pagelist[0] = phys_to_page(__pa_symbol(vdso_data));
+
/* Grab the vDSO code pages. */
+ pfn = sym_to_pfn(&vdso_start);
+
for (i = 0; i < vdso_pages; i++)
- vdso_pagelist[i + 1] = virt_to_page(&vdso_start + i * PAGE_SIZE);
+ vdso_pagelist[i + 1] = pfn_to_page(pfn + i);
/* Populate the special mapping structures */
vdso_spec[0] = (struct vm_special_mapping) {
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 7fd74d55c68e..30f1a600a7c9 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -34,6 +34,7 @@
#include <linux/dma-contiguous.h>
#include <linux/efi.h>
#include <linux/swiotlb.h>
+#include <linux/mm.h>
#include <asm/boot.h>
#include <asm/fixmap.h>
@@ -191,8 +192,8 @@ void __init arm64_memblock_init(void)
* linear mapping. Take care not to clip the kernel which may be
* high in memory.
*/
- memblock_remove(max_t(u64, memstart_addr + linear_region_size, __pa(_end)),
- ULLONG_MAX);
+ memblock_remove(max_t(u64, memstart_addr + linear_region_size,
+ __pa_symbol(_end)), ULLONG_MAX);
if (memstart_addr + linear_region_size < memblock_end_of_DRAM()) {
/* ensure that memstart_addr remains sufficiently aligned */
memstart_addr = round_up(memblock_end_of_DRAM() - linear_region_size,
@@ -212,7 +213,7 @@ void __init arm64_memblock_init(void)
*/
bootloader_memory_limit = memblock_end_of_DRAM();
memblock_enforce_memory_limit(memory_limit);
- memblock_add(__pa(_text), (u64)(_end - _text));
+ memblock_add(__pa_symbol(_text), (u64)(_end - _text));
}
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
@@ -236,7 +237,7 @@ void __init arm64_memblock_init(void)
* Register the kernel text, kernel data, initrd, and initial
* pagetables with memblock.
*/
- memblock_reserve(__pa(_text), _end - _text);
+ memblock_reserve(__pa_symbol(_text), _end - _text);
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start) {
memblock_reserve(initrd_start, initrd_end - initrd_start);
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index 757009daa9ed..03588d136f93 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/start_kernel.h>
+#include <linux/mm.h>
#include <asm/mmu_context.h>
#include <asm/kernel-pgtable.h>
@@ -26,6 +27,13 @@
static pgd_t tmp_pg_dir[PTRS_PER_PGD] __initdata __aligned(PGD_SIZE);
+/*
+ * The p*d_populate functions call virt_to_phys implicitly so they can't be used
+ * directly on kernel symbols (bm_p*d). All the early functions are called too
+ * early to use lm_alias so __p*d_populate functions must be used to populate
+ * with the physical address from __pa_symbol.
+ */
+
static void __init kasan_early_pte_populate(pmd_t *pmd, unsigned long addr,
unsigned long end)
{
@@ -33,12 +41,13 @@ static void __init kasan_early_pte_populate(pmd_t *pmd, unsigned long addr,
unsigned long next;
if (pmd_none(*pmd))
- pmd_populate_kernel(&init_mm, pmd, kasan_zero_pte);
+ __pmd_populate(pmd, __pa_symbol(kasan_zero_pte),
+ PMD_TYPE_TABLE);
pte = pte_offset_kimg(pmd, addr);
do {
next = addr + PAGE_SIZE;
- set_pte(pte, pfn_pte(virt_to_pfn(kasan_zero_page),
+ set_pte(pte, pfn_pte(sym_to_pfn(kasan_zero_page),
PAGE_KERNEL));
} while (pte++, addr = next, addr != end && pte_none(*pte));
}
@@ -51,7 +60,8 @@ static void __init kasan_early_pmd_populate(pud_t *pud,
unsigned long next;
if (pud_none(*pud))
- pud_populate(&init_mm, pud, kasan_zero_pmd);
+ __pud_populate(pud, __pa_symbol(kasan_zero_pmd),
+ PMD_TYPE_TABLE);
pmd = pmd_offset_kimg(pud, addr);
do {
@@ -68,7 +78,8 @@ static void __init kasan_early_pud_populate(pgd_t *pgd,
unsigned long next;
if (pgd_none(*pgd))
- pgd_populate(&init_mm, pgd, kasan_zero_pud);
+ __pgd_populate(pgd, __pa_symbol(kasan_zero_pud),
+ PUD_TYPE_TABLE);
pud = pud_offset_kimg(pgd, addr);
do {
@@ -148,7 +159,7 @@ void __init kasan_init(void)
*/
memcpy(tmp_pg_dir, swapper_pg_dir, sizeof(tmp_pg_dir));
dsb(ishst);
- cpu_replace_ttbr1(tmp_pg_dir);
+ cpu_replace_ttbr1(lm_alias(tmp_pg_dir));
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
@@ -199,10 +210,10 @@ void __init kasan_init(void)
*/
for (i = 0; i < PTRS_PER_PTE; i++)
set_pte(&kasan_zero_pte[i],
- pfn_pte(virt_to_pfn(kasan_zero_page), PAGE_KERNEL_RO));
+ pfn_pte(sym_to_pfn(kasan_zero_page), PAGE_KERNEL_RO));
memset(kasan_zero_page, 0, PAGE_SIZE);
- cpu_replace_ttbr1(swapper_pg_dir);
+ cpu_replace_ttbr1(lm_alias(swapper_pg_dir));
/* At this point kasan is fully initialized. Enable error messages */
init_task.kasan_depth = 0;
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 8c063d39bc17..b1411e933bb3 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -31,6 +31,7 @@
#include <linux/stop_machine.h>
#include <linux/dma-contiguous.h>
#include <linux/cma.h>
+#include <linux/mm.h>
#include <asm/barrier.h>
#include <asm/cputype.h>
@@ -391,8 +392,8 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end)
{
- unsigned long kernel_start = __pa(_text);
- unsigned long kernel_end = __pa(__init_begin);
+ unsigned long kernel_start = __pa_symbol(_text);
+ unsigned long kernel_end = __pa_symbol(__init_begin);
/*
* Take care not to create a writable alias for the
@@ -456,14 +457,15 @@ void mark_rodata_ro(void)
unsigned long section_size;
section_size = (unsigned long)_etext - (unsigned long)_text;
- create_mapping_late(__pa(_text), (unsigned long)_text,
+ create_mapping_late(__pa_symbol(_text), (unsigned long)_text,
section_size, PAGE_KERNEL_ROX);
/*
* mark .rodata as read only. Use __init_begin rather than __end_rodata
* to cover NOTES and EXCEPTION_TABLE.
*/
section_size = (unsigned long)__init_begin - (unsigned long)__start_rodata;
- create_mapping_late(__pa(__start_rodata), (unsigned long)__start_rodata,
+ create_mapping_late(__pa_symbol(__start_rodata),
+ (unsigned long)__start_rodata,
section_size, PAGE_KERNEL_RO);
}
@@ -480,7 +482,7 @@ void fixup_init(void)
static void __init map_kernel_segment(pgd_t *pgd, void *va_start, void *va_end,
pgprot_t prot, struct vm_struct *vma)
{
- phys_addr_t pa_start = __pa(va_start);
+ phys_addr_t pa_start = __pa_symbol(va_start);
unsigned long size = va_end - va_start;
BUG_ON(!PAGE_ALIGNED(pa_start));
@@ -528,7 +530,7 @@ static void __init map_kernel(pgd_t *pgd)
*/
BUG_ON(!IS_ENABLED(CONFIG_ARM64_16K_PAGES));
set_pud(pud_set_fixmap_offset(pgd, FIXADDR_START),
- __pud(__pa(bm_pmd) | PUD_TYPE_TABLE));
+ __pud(__pa_symbol(bm_pmd) | PUD_TYPE_TABLE));
pud_clear_fixmap();
} else {
BUG();
@@ -590,7 +592,7 @@ void __init paging_init(void)
*/
cpu_replace_ttbr1(__va(pgd_phys));
memcpy(swapper_pg_dir, pgd, PAGE_SIZE);
- cpu_replace_ttbr1(swapper_pg_dir);
+ cpu_replace_ttbr1(lm_alias(swapper_pg_dir));
pgd_clear_fixmap();
memblock_free(pgd_phys, PAGE_SIZE);
@@ -599,7 +601,7 @@ void __init paging_init(void)
* We only reuse the PGD from the swapper_pg_dir, not the pud + pmd
* allocated with it.
*/
- memblock_free(__pa(swapper_pg_dir) + PAGE_SIZE,
+ memblock_free(__pa_symbol(swapper_pg_dir) + PAGE_SIZE,
SWAPPER_DIR_SIZE - PAGE_SIZE);
bootmem_init();
@@ -1141,6 +1143,12 @@ static inline pte_t * fixmap_pte(unsigned long addr)
return &bm_pte[pte_index(addr)];
}
+/*
+ * The p*d_populate functions call virt_to_phys implicitly so they can't be used
+ * directly on kernel symbols (bm_p*d). This function is called too early to use
+ * lm_alias so __p*d_populate functions must be used to populate with the
+ * physical address from __pa_symbol.
+ */
void __init early_fixmap_init(void)
{
pgd_t *pgd;
@@ -1150,7 +1158,7 @@ void __init early_fixmap_init(void)
pgd = pgd_offset_k(addr);
if (CONFIG_PGTABLE_LEVELS > 3 &&
- !(pgd_none(*pgd) || pgd_page_paddr(*pgd) == __pa(bm_pud))) {
+ !(pgd_none(*pgd) || pgd_page_paddr(*pgd) == __pa_symbol(bm_pud))) {
/*
* We only end up here if the kernel mapping and the fixmap
* share the top level pgd entry, which should only happen on
@@ -1159,12 +1167,15 @@ void __init early_fixmap_init(void)
BUG_ON(!IS_ENABLED(CONFIG_ARM64_16K_PAGES));
pud = pud_offset_kimg(pgd, addr);
} else {
- pgd_populate(&init_mm, pgd, bm_pud);
+ if (pgd_none(*pgd))
+ __pgd_populate(pgd, __pa_symbol(bm_pud),
+ PUD_TYPE_TABLE);
pud = fixmap_pud(addr);
}
- pud_populate(&init_mm, pud, bm_pmd);
+ if (pud_none(*pud))
+ __pud_populate(pud, __pa_symbol(bm_pmd), PMD_TYPE_TABLE);
pmd = fixmap_pmd(addr);
- pmd_populate_kernel(&init_mm, pmd, bm_pte);
+ __pmd_populate(pmd, __pa_symbol(bm_pte), PMD_TYPE_TABLE);
/*
* The boot-ioremap range spans multiple pmds, for which
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 7c26b28bf252..859cf7048347 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -54,7 +54,8 @@
.align 2; \
.type symbol, @function; \
.ent symbol, 0; \
-symbol: .frame sp, 0, ra
+symbol: .frame sp, 0, ra; \
+ .insn
/*
* NESTED - declare nested routine entry point
@@ -63,8 +64,9 @@ symbol: .frame sp, 0, ra
.globl symbol; \
.align 2; \
.type symbol, @function; \
- .ent symbol, 0; \
-symbol: .frame sp, framesize, rpc
+ .ent symbol, 0; \
+symbol: .frame sp, framesize, rpc; \
+ .insn
/*
* END - mark end of function
@@ -86,7 +88,7 @@ symbol:
#define FEXPORT(symbol) \
.globl symbol; \
.type symbol, @function; \
-symbol:
+symbol: .insn
/*
* ABS - export absolute symbol
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 8acae316f26b..4f9f1ae49213 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -152,6 +152,35 @@ void __init detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_add
add_memory_region(start, size, BOOT_MEM_RAM);
}
+bool __init memory_region_available(phys_addr_t start, phys_addr_t size)
+{
+ int i;
+ bool in_ram = false, free = true;
+
+ for (i = 0; i < boot_mem_map.nr_map; i++) {
+ phys_addr_t start_, end_;
+
+ start_ = boot_mem_map.map[i].addr;
+ end_ = boot_mem_map.map[i].addr + boot_mem_map.map[i].size;
+
+ switch (boot_mem_map.map[i].type) {
+ case BOOT_MEM_RAM:
+ if (start >= start_ && start + size <= end_)
+ in_ram = true;
+ break;
+ case BOOT_MEM_RESERVED:
+ if ((start >= start_ && start < end_) ||
+ (start < start_ && start + size >= start_))
+ free = false;
+ break;
+ default:
+ continue;
+ }
+ }
+
+ return in_ram && free;
+}
+
static void __init print_memory_map(void)
{
int i;
@@ -300,11 +329,19 @@ static void __init bootmem_init(void)
#else /* !CONFIG_SGI_IP27 */
+static unsigned long __init bootmap_bytes(unsigned long pages)
+{
+ unsigned long bytes = DIV_ROUND_UP(pages, 8);
+
+ return ALIGN(bytes, sizeof(long));
+}
+
static void __init bootmem_init(void)
{
unsigned long reserved_end;
unsigned long mapstart = ~0UL;
unsigned long bootmap_size;
+ bool bootmap_valid = false;
int i;
/*
@@ -385,11 +422,42 @@ static void __init bootmem_init(void)
#endif
/*
- * Initialize the boot-time allocator with low memory only.
+ * check that mapstart doesn't overlap with any of
+ * memory regions that have been reserved through eg. DTB
*/
- bootmap_size = init_bootmem_node(NODE_DATA(0), mapstart,
- min_low_pfn, max_low_pfn);
+ bootmap_size = bootmap_bytes(max_low_pfn - min_low_pfn);
+
+ bootmap_valid = memory_region_available(PFN_PHYS(mapstart),
+ bootmap_size);
+ for (i = 0; i < boot_mem_map.nr_map && !bootmap_valid; i++) {
+ unsigned long mapstart_addr;
+
+ switch (boot_mem_map.map[i].type) {
+ case BOOT_MEM_RESERVED:
+ mapstart_addr = PFN_ALIGN(boot_mem_map.map[i].addr +
+ boot_mem_map.map[i].size);
+ if (PHYS_PFN(mapstart_addr) < mapstart)
+ break;
+
+ bootmap_valid = memory_region_available(mapstart_addr,
+ bootmap_size);
+ if (bootmap_valid)
+ mapstart = PHYS_PFN(mapstart_addr);
+ break;
+ default:
+ break;
+ }
+ }
+ if (!bootmap_valid)
+ panic("No memory area to place a bootmap bitmap");
+
+ /*
+ * Initialize the boot-time allocator with low memory only.
+ */
+ if (bootmap_size != init_bootmem_node(NODE_DATA(0), mapstart,
+ min_low_pfn, max_low_pfn))
+ panic("Unexpected memory size required for bootmap");
for (i = 0; i < boot_mem_map.nr_map; i++) {
unsigned long start, end;
@@ -438,6 +506,10 @@ static void __init bootmem_init(void)
continue;
default:
/* Not usable memory */
+ if (start > min_low_pfn && end < max_low_pfn)
+ reserve_bootmem(boot_mem_map.map[i].addr,
+ boot_mem_map.map[i].size,
+ BOOTMEM_DEFAULT);
continue;
}
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 3660dc67d544..f4961bc9a61d 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -275,7 +275,7 @@ asmlinkage void plat_irq_dispatch(void)
do_IRQ(nlm_irq_to_xirq(node, i));
}
-#ifdef CONFIG_OF
+#ifdef CONFIG_CPU_XLP
static const struct irq_domain_ops xlp_pic_irq_domain_ops = {
.xlate = irq_domain_xlate_onetwocell,
};
@@ -348,7 +348,7 @@ void __init arch_init_irq(void)
#if defined(CONFIG_CPU_XLR)
nlm_setup_fmn_irq();
#endif
-#if defined(CONFIG_OF)
+#ifdef CONFIG_CPU_XLP
of_irq_init(xlp_pic_irq_ids);
#endif
}
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 19d14ac23ef9..fc3c7e49c8e4 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -296,6 +296,7 @@ struct x86_emulate_ctxt {
bool perm_ok; /* do not check permissions if true */
bool ud; /* inject an #UD if host doesn't support insn */
+ bool tf; /* TF value before instruction (after for syscall/sysret) */
bool have_exception;
struct x86_exception exception;
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 04b2f3cad7ba..684edebb4a0c 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2726,6 +2726,7 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt)
ctxt->eflags &= ~(X86_EFLAGS_VM | X86_EFLAGS_IF);
}
+ ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0;
return X86EMUL_CONTINUE;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8e526c6fd784..3ffd5900da5b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5095,6 +5095,8 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu)
kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l);
ctxt->eflags = kvm_get_rflags(vcpu);
+ ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0;
+
ctxt->eip = kvm_rip_read(vcpu);
ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
(ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 :
@@ -5315,37 +5317,26 @@ static int kvm_vcpu_check_hw_bp(unsigned long addr, u32 type, u32 dr7,
return dr6;
}
-static void kvm_vcpu_check_singlestep(struct kvm_vcpu *vcpu, unsigned long rflags, int *r)
+static void kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu, int *r)
{
struct kvm_run *kvm_run = vcpu->run;
- /*
- * rflags is the old, "raw" value of the flags. The new value has
- * not been saved yet.
- *
- * This is correct even for TF set by the guest, because "the
- * processor will not generate this exception after the instruction
- * that sets the TF flag".
- */
- if (unlikely(rflags & X86_EFLAGS_TF)) {
- if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) {
- kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 |
- DR6_RTM;
- kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip;
- kvm_run->debug.arch.exception = DB_VECTOR;
- kvm_run->exit_reason = KVM_EXIT_DEBUG;
- *r = EMULATE_USER_EXIT;
- } else {
- vcpu->arch.emulate_ctxt.eflags &= ~X86_EFLAGS_TF;
- /*
- * "Certain debug exceptions may clear bit 0-3. The
- * remaining contents of the DR6 register are never
- * cleared by the processor".
- */
- vcpu->arch.dr6 &= ~15;
- vcpu->arch.dr6 |= DR6_BS | DR6_RTM;
- kvm_queue_exception(vcpu, DB_VECTOR);
- }
+ if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) {
+ kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM;
+ kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip;
+ kvm_run->debug.arch.exception = DB_VECTOR;
+ kvm_run->exit_reason = KVM_EXIT_DEBUG;
+ *r = EMULATE_USER_EXIT;
+ } else {
+ vcpu->arch.emulate_ctxt.eflags &= ~X86_EFLAGS_TF;
+ /*
+ * "Certain debug exceptions may clear bit 0-3. The
+ * remaining contents of the DR6 register are never
+ * cleared by the processor".
+ */
+ vcpu->arch.dr6 &= ~15;
+ vcpu->arch.dr6 |= DR6_BS | DR6_RTM;
+ kvm_queue_exception(vcpu, DB_VECTOR);
}
}
@@ -5500,8 +5491,9 @@ restart:
toggle_interruptibility(vcpu, ctxt->interruptibility);
vcpu->arch.emulate_regs_need_sync_to_vcpu = false;
kvm_rip_write(vcpu, ctxt->eip);
- if (r == EMULATE_DONE)
- kvm_vcpu_check_singlestep(vcpu, rflags, &r);
+ if (r == EMULATE_DONE &&
+ (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)))
+ kvm_vcpu_do_singlestep(vcpu, &r);
if (!ctxt->have_exception ||
exception_type(ctxt->exception.vector) == EXCPT_TRAP)
__kvm_set_rflags(vcpu, ctxt->eflags);