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new helper: uaccess_kernel()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2017-03-20 21:08:07 -04:00
parent aaa2e7ac80
commit db68ce10c4
32 changed files with 44 additions and 42 deletions
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2
arch/s390/include/asm/uaccess.h
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@@ -37,7 +37,7 @@
static inline void set_fs(mm_segment_t fs)
{
current->thread.mm_segment = fs;
if (segment_eq(fs, KERNEL_DS)) {
if (uaccess_kernel()) {
set_cpu_flag(CIF_ASCE_SECONDARY);
__ctl_load(S390_lowcore.kernel_asce, 7, 7);
} else {