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authorMichael Ellerman <mpe@ellerman.id.au>2019-01-04 22:07:47 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2019-01-04 22:07:47 +1100
commitd538d94f0ca86cfedc892cc427169219acb3c2f7 (patch)
tree8363c4ff35907edb5245da737d7f6982bf22b945 /arch/xtensa/mm/kasan_init.c
parentKVM: PPC: Book3S HV: radix: Fix uninitialized var build error (diff)
parentRemove 'type' argument from access_ok() function (diff)
downloadlinux-dev-d538d94f0ca86cfedc892cc427169219acb3c2f7.tar.xz
linux-dev-d538d94f0ca86cfedc892cc427169219acb3c2f7.zip
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.c18
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;