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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-04 07:24:48 +0000 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-04 07:24:48 +0000 |
commit | cc12071ff39060fc2e47c58b43e249fe0d0061ee (patch) | |
tree | 085789dec88100d2ac12d9f2c990c00b909d7ee2 /arch/sparc/include/asm/tlb_64.h | |
parent | Merge tag 'drm-next-2020-02-04' of git://anongit.freedesktop.org/drm/drm (diff) | |
parent | ARM: dma-api: fix max_pfn off-by-one error in __dma_supported() (diff) | |
download | linux-dev-cc12071ff39060fc2e47c58b43e249fe0d0061ee.tar.xz linux-dev-cc12071ff39060fc2e47c58b43e249fe0d0061ee.zip |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"The rest of MM and the rest of everything else: hotfixes, ipc, misc,
procfs, lib, cleanups, arm"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (67 commits)
ARM: dma-api: fix max_pfn off-by-one error in __dma_supported()
treewide: remove redundant IS_ERR() before error code check
include/linux/cpumask.h: don't calculate length of the input string
lib: new testcases for bitmap_parse{_user}
lib: rework bitmap_parse()
lib: make bitmap_parse_user a wrapper on bitmap_parse
lib: add test for bitmap_parse()
bitops: more BITS_TO_* macros
lib/string: add strnchrnul()
proc: convert everything to "struct proc_ops"
proc: decouple proc from VFS with "struct proc_ops"
asm-generic/tlb: provide MMU_GATHER_TABLE_FREE
asm-generic/tlb: rename HAVE_MMU_GATHER_NO_GATHER
asm-generic/tlb: rename HAVE_MMU_GATHER_PAGE_SIZE
asm-generic/tlb: rename HAVE_RCU_TABLE_FREE
asm-generic/tlb: add missing CONFIG symbol
asm-gemeric/tlb: remove stray function declarations
asm-generic/tlb: avoid potential double flush
mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case
...
Diffstat (limited to 'arch/sparc/include/asm/tlb_64.h')
-rw-r--r-- | arch/sparc/include/asm/tlb_64.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index a2f3fa61ee36..6820d357581c 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -28,6 +28,15 @@ void flush_tlb_pending(void); #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #define tlb_flush(tlb) flush_tlb_pending() +/* + * SPARC64's hardware TLB fill does not use the Linux page-tables + * and therefore we don't need a TLBI when freeing page-table pages. + */ + +#ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE +#define tlb_needs_table_invalidate() (false) +#endif + #include <asm-generic/tlb.h> #endif /* _SPARC64_TLB_H */ |