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Merge branch 'merge/randstruct' into for-next/gcc-plugins

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This commit is contained in:
Kees Cook
2017-07-04 21:41:31 -07:00
parent 6f7da29041 03232e0dde
commit d1185a8c5d
14 changed files with 1146 additions and 9 deletions
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2
arch/arm/include/asm/assembler.h
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@@ -87,6 +87,8 @@
#define CALGN(code...)
#endif
#define IMM12_MASK 0xfff
/*
* Enable and disable interrupts
*/

5
arch/arm/kernel/entry-armv.S
View File

@@ -797,7 +797,10 @@ ENTRY(__switch_to)
#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
ldr r7, [r2, #TI_TASK]
ldr r8, =__stack_chk_guard
ldr r7, [r7, #TSK_STACK_CANARY]
.if (TSK_STACK_CANARY > IMM12_MASK)
add r7, r7, #TSK_STACK_CANARY & ~IMM12_MASK
.endif
ldr r7, [r7, #TSK_STACK_CANARY & IMM12_MASK]
#endif
#ifdef CONFIG_CPU_USE_DOMAINS
mcr p15, 0, r6, c3, c0, 0 @ Set domain register

10
arch/arm/mm/proc-macros.S
View File

@@ -25,11 +25,6 @@
ldr \rd, [\rn, #VMA_VM_FLAGS]
.endm
.macro tsk_mm, rd, rn
ldr \rd, [\rn, #TI_TASK]
ldr \rd, [\rd, #TSK_ACTIVE_MM]
.endm
/*
* act_mm - get current->active_mm
*/
@@ -37,7 +32,10 @@
bic \rd, sp, #8128
bic \rd, \rd, #63
ldr \rd, [\rd, #TI_TASK]
ldr \rd, [\rd, #TSK_ACTIVE_MM]
.if (TSK_ACTIVE_MM > IMM12_MASK)
add \rd, \rd, #TSK_ACTIVE_MM & ~IMM12_MASK
.endif
ldr \rd, [\rd, #TSK_ACTIVE_MM & IMM12_MASK]
.endm
/*