diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2023-12-21 22:17:23 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-12-21 22:17:23 +0100 |
| commit | 56794e5358542b7c652f202946e53bfd2373b5e0 (patch) | |
| tree | bf508c78138c8be82a2e306f2267d7ef6e3f79c3 /arch/arc/mm/tlb.c | |
| parent | 5a78a8121c4d8e37035274c094e3af15fb79f004 (diff) | |
| parent | 7c5e046bdcb2513f9decb3765d8bf92d604279cf (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Adjacent changes:
drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
23c93c3b6275 ("bnxt_en: do not map packet buffers twice")
6d1add95536b ("bnxt_en: Modify TX ring indexing logic.")
tools/testing/selftests/net/Makefile
2258b666482d ("selftests: add vlan hw filter tests")
a0bc96c0cd6e ("selftests: net: verify fq per-band packet limit")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'arch/arc/mm/tlb.c')
| -rw-r--r-- | arch/arc/mm/tlb.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index e536b2dcd4b0..ad702b49aeb3 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -478,21 +478,15 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, create_tlb(vma, vaddr, ptep); - if (page == ZERO_PAGE(0)) { + if (page == ZERO_PAGE(0)) return; - } /* - * Exec page : Independent of aliasing/page-color considerations, - * since icache doesn't snoop dcache on ARC, any dirty - * K-mapping of a code page needs to be wback+inv so that - * icache fetch by userspace sees code correctly. - * !EXEC page: If K-mapping is NOT congruent to U-mapping, flush it - * so userspace sees the right data. - * (Avoids the flush for Non-exec + congruent mapping case) + * For executable pages, since icache doesn't snoop dcache, any + * dirty K-mapping of a code page needs to be wback+inv so that + * icache fetch by userspace sees code correctly. */ - if ((vma->vm_flags & VM_EXEC) || - addr_not_cache_congruent(paddr, vaddr)) { + if (vma->vm_flags & VM_EXEC) { struct folio *folio = page_folio(page); int dirty = !test_and_set_bit(PG_dc_clean, &folio->flags); if (dirty) { |