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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
arch
/
sh
/
mm
/
kmap.c
diff --git
a/kernel/arch/sh/mm/kmap.c
b/kernel/arch/sh/mm/kmap.c
index
ec29e14
..
bf25d7c
100644
(file)
--- a/
kernel/arch/sh/mm/kmap.c
+++ b/
kernel/arch/sh/mm/kmap.c
@@
-36,6
+36,7
@@
void *kmap_coherent(struct page *page, unsigned long addr)
BUG_ON(!test_bit(PG_dcache_clean, &page->flags));
+ preempt_disable();
pagefault_disable();
idx = FIX_CMAP_END -
@@
-64,4
+65,5
@@
void kunmap_coherent(void *kvaddr)
}
pagefault_enable();
+ preempt_enable();
}