diff options
| author | John David Anglin <dave.anglin@bell.net> | 2017-07-25 17:23:35 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-06 18:59:40 -0700 |
| commit | f0d23fa632430cee981ea2b662b52c62915fc9bc (patch) | |
| tree | 7e7ce976bd19a3ff2e9cf800a39ec34b8f69bb46 /arch/parisc | |
| parent | afe9fc012bc1ba720d83959af3918de501fda3d5 (diff) | |
parisc: Extend disabled preemption in copy_user_page
commit 56008c04ebc099940021b714da2d7779117cf6a7 upstream.
It's always bothered me that we only disable preemption in
copy_user_page around the call to flush_dcache_page_asm.
This patch extends this to after the copy.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/kernel/cache.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 139803a5d8cd..c721ea2fdbd8 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -452,8 +452,8 @@ void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, before it can be accessed through the kernel mapping. */ preempt_disable(); flush_dcache_page_asm(__pa(vfrom), vaddr); - preempt_enable(); copy_page_asm(vto, vfrom); + preempt_enable(); } EXPORT_SYMBOL(copy_user_page); |