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arch/csky patches for 6.4

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The pull request we've done:
  - Remove CPU_TLB_SIZE config
  - Prevent spurious page faults
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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
This commit is contained in:
Linus Torvalds 2023-05-04 12:25:05 -07:00
commit a1f749de8a
3 changed files with 6 additions and 5 deletions
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5
arch/csky/Kconfig
View File

@ -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)

3
arch/csky/abiv1/cacheflush.c
View File

@ -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;

3
arch/csky/abiv2/cacheflush.c
View File

@ -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;