diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 01:32:17 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 14:23:33 -0300 |
commit | 0a2bb03fe20f81dc4cac96d7fe0e4194ae6efffd (patch) | |
tree | f643c68f37c9aa9e2e0b1623b363777c125350df /arch/x86/kernel/head_64.S | |
parent | c49e505b3486503302e30c4237821bece90b4c2d (diff) |
Linux-libre 4.1.5-gnupck-4.1.5-gnu
Diffstat (limited to 'arch/x86/kernel/head_64.S')
-rw-r--r-- | arch/x86/kernel/head_64.S | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index df7e78057..7e5da2cbe 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -516,38 +516,9 @@ ENTRY(phys_base) /* This must match the first entry in level2_kernel_pgt */ .quad 0x0000000000000000 -#ifdef CONFIG_KASAN -#define FILL(VAL, COUNT) \ - .rept (COUNT) ; \ - .quad (VAL) ; \ - .endr - -NEXT_PAGE(kasan_zero_pte) - FILL(kasan_zero_page - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pmd) - FILL(kasan_zero_pte - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pud) - FILL(kasan_zero_pmd - __START_KERNEL_map + _KERNPG_TABLE, 512) - -#undef FILL -#endif - - #include "../../x86/xen/xen-head.S" __PAGE_ALIGNED_BSS NEXT_PAGE(empty_zero_page) .skip PAGE_SIZE -#ifdef CONFIG_KASAN -/* - * This page used as early shadow. We don't use empty_zero_page - * at early stages, stack instrumentation could write some garbage - * to this page. - * Latter we reuse it as zero shadow for large ranges of memory - * that allowed to access, but not instrumented by kasan - * (vmalloc/vmemmap ...). - */ -NEXT_PAGE(kasan_zero_page) - .skip PAGE_SIZE -#endif |