diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-09-16 09:04:05 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2021-09-24 13:35:07 +0200 |
| commit | 9fde0348640252c79d462c4d29a09a14e8741f5c (patch) | |
| tree | d4f9ba0894c1dd7701ae122d90b7dc227130501c /arch/m68k/mm/cache.c | |
| parent | 8ade83390930d61c64fe3ab49081990c9d43d0d2 (diff) | |
m68k: Remove set_fs()
Add a m68k-only set_fc helper to set the SFC and DFC registers for the
few places that need to override it for special MM operations, but
disconnect that from the deprecated kernel-wide set_fs() API.
Note that the SFC/DFC registers are context switched, so there is no need
to disable preemption.
Partially based on an earlier patch from
Linus Torvalds <torvalds@linux-foundation.org>.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Link: https://lore.kernel.org/r/20210916070405.52750-7-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/mm/cache.c')
| -rw-r--r-- | arch/m68k/mm/cache.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index e7c1cabbfac4..dde978e66f14 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -90,11 +90,9 @@ void flush_icache_user_range(unsigned long address, unsigned long endaddr) void flush_icache_range(unsigned long address, unsigned long endaddr) { - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); + set_fc(SUPER_DATA); flush_icache_user_range(address, endaddr); - set_fs(old_fs); + set_fc(USER_DATA); } EXPORT_SYMBOL(flush_icache_range); |