summaryrefslogtreecommitdiff
path: root/arch/powerpc/crypto/crc32c-vpmsum_glue.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 16:21:55 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 16:21:55 +0300
commitf78a8236c6502760705399dfa42e22ab11aa1e6b (patch)
treed965f09daff0d531c63e35c764e7061f9c43afe7 /arch/powerpc/crypto/crc32c-vpmsum_glue.c
parent6cb3d05f3030deed157c9bbada5c58e7ee0f5172 (diff)
parent39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff)
downloadlinux-f78a8236c6502760705399dfa42e22ab11aa1e6b.tar.xz
Merge 4.11-rc6 into staging-next
We want the staging and iio fixes in here to handle merging easier. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/crypto/crc32c-vpmsum_glue.c')
-rw-r--r--arch/powerpc/crypto/crc32c-vpmsum_glue.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/crypto/crc32c-vpmsum_glue.c b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
index 411994551afc..f058e0c3e4d4 100644
--- a/arch/powerpc/crypto/crc32c-vpmsum_glue.c
+++ b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
@@ -33,10 +33,13 @@ static u32 crc32c_vpmsum(u32 crc, unsigned char const *p, size_t len)
}
if (len & ~VMX_ALIGN_MASK) {
+ preempt_disable();
pagefault_disable();
enable_kernel_altivec();
crc = __crc32c_vpmsum(crc, p, len & ~VMX_ALIGN_MASK);
+ disable_kernel_altivec();
pagefault_enable();
+ preempt_enable();
}
tail = len & VMX_ALIGN_MASK;