Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull one s390 fix from Martin Schwidefsky:
"Another transparent huge page fix, we need to define a s390 variant
for pmdp_set_wrprotect to flush the TLB for the huge page correctly."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/thp: implement pmdp_set_wrprotect()
+12
+12
arch/s390/include/asm/pgtable.h
+12
arch/s390/include/asm/pgtable.h
···
1365
1365
__pmd_idte(address, pmdp);
1366
1366
}
1367
1367
1368
+
#define __HAVE_ARCH_PMDP_SET_WRPROTECT
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+
static inline void pmdp_set_wrprotect(struct mm_struct *mm,
1370
+
unsigned long address, pmd_t *pmdp)
1371
+
{
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+
pmd_t pmd = *pmdp;
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+
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+
if (pmd_write(pmd)) {
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+
__pmd_idte(address, pmdp);
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+
set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
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+
}
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+
}
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+
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static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
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{
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pmd_t __pmd;