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authorLinus Torvalds <torvalds@linux-foundation.org>2023-09-08 12:16:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-09-08 12:16:52 -0700
commit12952b6bbd36b372345f179f1a85576c5924d425 (patch)
tree66dc95d42ab675deac229fa7801ed2aae2294439 /mm/kfence
parent01a46efcd8f4af44691d7273edf0c5c07dc9b619 (diff)
parent671eae93ae2090d2df01d810d354cab05f6bed8b (diff)
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Merge tag 'loongarch-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen: - Allow usage of LSX/LASX in the kernel, and use them for SIMD-optimized RAID5/RAID6 routines - Add Loongson Binary Translation (LBT) extension support - Add basic KGDB & KDB support - Add building with kcov coverage - Add KFENCE (Kernel Electric-Fence) support - Add KASAN (Kernel Address Sanitizer) support - Some bug fixes and other small changes - Update the default config file * tag 'loongarch-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (25 commits) LoongArch: Update Loongson-3 default config file LoongArch: Add KASAN (Kernel Address Sanitizer) support LoongArch: Simplify the processing of jumping new kernel for KASLR kasan: Add (pmd|pud)_init for LoongArch zero_(pud|p4d)_populate process kasan: Add __HAVE_ARCH_SHADOW_MAP to support arch specific mapping LoongArch: Add KFENCE (Kernel Electric-Fence) support LoongArch: Get partial stack information when providing regs parameter LoongArch: mm: Add page table mapped mode support for virt_to_page() kfence: Defer the assignment of the local variable addr LoongArch: Allow building with kcov coverage LoongArch: Provide kaslr_offset() to get kernel offset LoongArch: Add basic KGDB & KDB support LoongArch: Add Loongson Binary Translation (LBT) extension support raid6: Add LoongArch SIMD recovery implementation raid6: Add LoongArch SIMD syndrome calculation LoongArch: Add SIMD-optimized XOR routines LoongArch: Allow usage of LSX/LASX in the kernel LoongArch: Define symbol 'fault' as a local label in fpu.S LoongArch: Adjust {copy, clear}_user exception handler behavior LoongArch: Use static defined zero page rather than allocated ...
Diffstat (limited to 'mm/kfence')
-rw-r--r--mm/kfence/core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 96fd0411f5c5..3872528d0963 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -574,13 +574,14 @@ static void rcu_guarded_free(struct rcu_head *h)
*/
static unsigned long kfence_init_pool(void)
{
- unsigned long addr = (unsigned long)__kfence_pool;
+ unsigned long addr;
struct page *pages;
int i;
if (!arch_kfence_init_pool())
- return addr;
+ return (unsigned long)__kfence_pool;
+ addr = (unsigned long)__kfence_pool;
pages = virt_to_page(__kfence_pool);
/*