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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-05-04 22:25:05 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-05-04 22:25:05 +0300 |
| commit | a1f749de8a610096ca0dd9a40d89c8fa4098c8eb (patch) | |
| tree | 458779a43df70aefca85aa1f429cffb79cf36a87 /arch/csky | |
| parent | 1a5304fecee523060f26e2778d9d8e33c0562df3 (diff) | |
| parent | 1f62ed00a56bf01becaccd81bf30f2fcb0322fd2 (diff) | |
| download | linux-a1f749de8a610096ca0dd9a40d89c8fa4098c8eb.tar.xz | |
Merge tag 'csky-for-linus-6.4' of https://github.com/c-sky/csky-linux
Pull arch/csky updates from Guo Ren:
- Remove CPU_TLB_SIZE config
- Prevent spurious page faults
* tag 'csky-for-linus-6.4' of https://github.com/c-sky/csky-linux:
csky: mmu: Prevent spurious page faults
csky: remove obsolete config CPU_TLB_SIZE
Diffstat (limited to 'arch/csky')
| -rw-r--r-- | arch/csky/Kconfig | 5 | ||||
| -rw-r--r-- | arch/csky/abiv1/cacheflush.c | 3 | ||||
| -rw-r--r-- | arch/csky/abiv2/cacheflush.c | 3 |
3 files changed, 6 insertions, 5 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index 00379a843c37..4df1f8c9d170 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -166,11 +166,6 @@ config STACKTRACE_SUPPORT config TIME_LOW_RES def_bool y -config CPU_TLB_SIZE - int - default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810) - default "1024" if (CPU_CK860) - config CPU_ASID_BITS int default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810) diff --git a/arch/csky/abiv1/cacheflush.c b/arch/csky/abiv1/cacheflush.c index fb91b069dc69..94fbc03cbe70 100644 --- a/arch/csky/abiv1/cacheflush.c +++ b/arch/csky/abiv1/cacheflush.c @@ -11,6 +11,7 @@ #include <asm/cache.h> #include <asm/cacheflush.h> #include <asm/cachectl.h> +#include <asm/tlbflush.h> #define PG_dcache_clean PG_arch_1 @@ -40,6 +41,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn = pte_pfn(*ptep); struct page *page; + flush_tlb_page(vma, addr); + if (!pfn_valid(pfn)) return; diff --git a/arch/csky/abiv2/cacheflush.c b/arch/csky/abiv2/cacheflush.c index 39c51399dd81..9923cd24db58 100644 --- a/arch/csky/abiv2/cacheflush.c +++ b/arch/csky/abiv2/cacheflush.c @@ -5,6 +5,7 @@ #include <linux/highmem.h> #include <linux/mm.h> #include <asm/cache.h> +#include <asm/tlbflush.h> void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *pte) @@ -12,6 +13,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, unsigned long addr; struct page *page; + flush_tlb_page(vma, address); + if (!pfn_valid(pte_pfn(*pte))) return; |