github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

s390/maccess: Use proper PTE accessors for copying old memory

Browse Source 
Follow the pattern established by commit c33c794828 ("mm:
ptep_get() conversion") and use proper PTE accessors instead
of a direct pointer dereference in memcpy_real_iter().

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Alexander Gordeev 2026-07-20 16:47:34 +02:00 committed by Vasily Gorbik
parent e6b197e8ec
commit e1eb7cffd3
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/mm/maccess.c
View File

@ -96,7 +96,7 @@ size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count)
pte = mk_pte_phys(phys, PAGE_KERNEL_RO);
mutex_lock(&memcpy_real_mutex);
if (pte_val(pte) != pte_val(*memcpy_real_ptep)) {
if (pte_val(pte) != pte_val(ptep_get(memcpy_real_ptep))) {
__ptep_ipte(__memcpy_real_area, memcpy_real_ptep, 0, 0, IPTE_GLOBAL);
set_pte(memcpy_real_ptep, pte);
}