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| author | Mark Brown <broonie@kernel.org> | 2015-08-27 20:30:46 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-08-27 20:30:46 +0100 |
| commit | 2002e90412df17ef7f714be62ed96a3c80b2f907 (patch) | |
| tree | 3dd03684f7436320ec64f9c702b5d057a25dca17 /arch/x86/kernel/head_64.S | |
| parent | 02a9547e9b3f10d73fde66f52fc8b2a375a300cd (diff) | |
| parent | 3b7ce99748f0d006f9d1aa85709872e7b46787f7 (diff) | |
Merge branch 'topic/ics43432' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-gtm601
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 e5c27f729a38..1d40ca8a73f2 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 |