diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2011-06-17 16:20:28 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-10-20 15:00:18 +0100 |
| commit | d9cdc901af0f92da7f90c750d8c187f5500be067 (patch) | |
| tree | 1b5e11202d86081253ab1422e302b45902a346a3 /arch/mips/mm/c-octeon.c | |
| parent | 2e5db86dd4166fd88a042bbb229dfc7081df3e92 (diff) | |
MIPS: cache: Provide cache flush operations for XFS
Until now flush_kernel_vmap_range() and invalidate_kernel_vmap_range() did
not exist on MIPS resulting in heavy cache corruption on XFS filesystems.
Left for the post-3.0 time: optimization and make this work with highmem,
too. Since the combination of highmem + cache aliases atm doesn't work
this isn't a regression.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/2505/
Diffstat (limited to 'arch/mips/mm/c-octeon.c')
| -rw-r--r-- | arch/mips/mm/c-octeon.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 16c4d256b76..daa81f7284a 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -169,6 +169,10 @@ static void octeon_flush_cache_page(struct vm_area_struct *vma, octeon_flush_icache_all_cores(vma); } +static void octeon_flush_kernel_vmap_range(unsigned long vaddr, int size) +{ + BUG(); +} /** * Probe Octeon's caches @@ -273,6 +277,8 @@ void __cpuinit octeon_cache_init(void) flush_icache_range = octeon_flush_icache_range; local_flush_icache_range = local_octeon_flush_icache_range; + __flush_kernel_vmap_range = octeon_flush_kernel_vmap_range; + build_clear_page(); build_copy_page(); } |