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| author | Michael Ellerman <mpe@ellerman.id.au> | 2019-01-04 14:07:47 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-01-04 14:07:47 +0300 |
| commit | d538d94f0ca86cfedc892cc427169219acb3c2f7 (patch) | |
| tree | 8363c4ff35907edb5245da737d7f6982bf22b945 /arch/xtensa/mm/kasan_init.c | |
| parent | f460772291f8171988b2b60141a45706123d0c69 (diff) | |
| parent | 96d4f267e40f9509e8a66e2b39e8b95655617693 (diff) | |
| download | linux-d538d94f0ca86cfedc892cc427169219acb3c2f7.tar.xz | |
Merge branch 'master' into fixes
We have a fix to apply on top of commit 96d4f267e40f ("Remove 'type'
argument from access_ok() function"), so merge master to get it.
Diffstat (limited to 'arch/xtensa/mm/kasan_init.c')
| -rw-r--r-- | arch/xtensa/mm/kasan_init.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c index 6b95ca43aec0..1734cda6bc4a 100644 --- a/arch/xtensa/mm/kasan_init.c +++ b/arch/xtensa/mm/kasan_init.c @@ -24,12 +24,13 @@ void __init kasan_early_init(void) int i; for (i = 0; i < PTRS_PER_PTE; ++i) - set_pte(kasan_zero_pte + i, - mk_pte(virt_to_page(kasan_zero_page), PAGE_KERNEL)); + set_pte(kasan_early_shadow_pte + i, + mk_pte(virt_to_page(kasan_early_shadow_page), + PAGE_KERNEL)); for (vaddr = 0; vaddr < KASAN_SHADOW_SIZE; vaddr += PMD_SIZE, ++pmd) { BUG_ON(!pmd_none(*pmd)); - set_pmd(pmd, __pmd((unsigned long)kasan_zero_pte)); + set_pmd(pmd, __pmd((unsigned long)kasan_early_shadow_pte)); } early_trap_init(); } @@ -80,13 +81,16 @@ void __init kasan_init(void) populate(kasan_mem_to_shadow((void *)VMALLOC_START), kasan_mem_to_shadow((void *)XCHAL_KSEG_BYPASS_VADDR)); - /* Write protect kasan_zero_page and zero-initialize it again. */ + /* + * Write protect kasan_early_shadow_page and zero-initialize it again. + */ for (i = 0; i < PTRS_PER_PTE; ++i) - set_pte(kasan_zero_pte + i, - mk_pte(virt_to_page(kasan_zero_page), PAGE_KERNEL_RO)); + set_pte(kasan_early_shadow_pte + i, + mk_pte(virt_to_page(kasan_early_shadow_page), + PAGE_KERNEL_RO)); local_flush_tlb_all(); - memset(kasan_zero_page, 0, PAGE_SIZE); + memset(kasan_early_shadow_page, 0, PAGE_SIZE); /* At this point kasan is fully initialized. Enable error messages. */ current->kasan_depth = 0; |