diff options
| author | Gerald Schaefer <gerald.schaefer@linux.ibm.com> | 2023-03-06 19:15:48 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-03-29 02:20:12 +0300 |
| commit | 99c29133639a29fa803ea27ec79bf9e732efd062 (patch) | |
| tree | 0f2faa36e9a9eee4fdcf4eaed2f16983d4470669 /arch/mips/include | |
| parent | e1807d5d27ddf1c1388fea0e9af3ed9273844e67 (diff) | |
| download | linux-99c29133639a29fa803ea27ec79bf9e732efd062.tar.xz | |
mm: add PTE pointer parameter to flush_tlb_fix_spurious_fault()
s390 can do more fine-grained handling of spurious TLB protection faults,
when there also is the PTE pointer available.
Therefore, pass on the PTE pointer to flush_tlb_fix_spurious_fault() as an
additional parameter.
This will add no functional change to other architectures, but those with
private flush_tlb_fix_spurious_fault() implementations need to be made
aware of the new parameter.
Link: https://lkml.kernel.org/r/20230306161548.661740-1-gerald.schaefer@linux.ibm.com
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/pgtable.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 791389bf3c12..574fa14ac8b2 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -469,7 +469,8 @@ static inline pgprot_t pgprot_writecombine(pgprot_t _prot) } static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma, - unsigned long address) + unsigned long address, + pte_t *ptep) { } |