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linux/arch/powerpc
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Christophe Leroy 54357fcafa powerpc/64e: Fix wrong test in __ptep_test_and_clear_young() 
[ Upstream commit 5ea0bbaa32 ]

Commit 45201c8794 ("powerpc/nohash: Remove hash related code from
nohash headers.") replaced:

  if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
	return 0;

By:

  if (pte_young(*ptep))
	return 0;

But it should be:

  if (!pte_young(*ptep))
	return 0;

Fix it.

Fixes: 45201c8794 ("powerpc/nohash: Remove hash related code from nohash headers.")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/8bb7f06494e21adada724ede47a4c3d97e879d40.1695659959.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-10-19 23:08:58 +02:00
..
boot powerpc/boot: Disable power10 features after BOOTAFLAGS assignment 2023-09-13 09:42:20 +02:00
configs - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in 2022-10-10 17:53:04 -07:00
crypto treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
include powerpc/64e: Fix wrong test in __ptep_test_and_clear_young() 2023-10-19 23:08:58 +02:00
kernel powerpc/47x: Fix 47x syscall return crash 2023-10-19 23:08:56 +02:00
kexec powerpc/64/kdump: Limit kdump base to 512MB 2022-09-28 19:22:09 +10:00
kvm powerpc: Don't include lppaca.h in paca.h 2023-09-13 09:42:48 +02:00
lib powerpc: Fix reschedule bug in KUAP-unlocked user copy 2022-10-18 22:46:19 +11:00
math-emu powerpc/math-emu: Inhibit W=1 warnings 2022-09-08 11:11:18 +10:00
mm powerpc: Don't include lppaca.h in paca.h 2023-09-13 09:42:48 +02:00
net powerpc/bpf/32: Only set a stack frame when necessary 2023-03-17 08:50:30 +01:00
perf powerpc/perf/hv-24x7: Update domain value check 2023-10-06 14:56:38 +02:00
platforms powerpc/pseries: fix possible memory leak in ibmebus_bus_init() 2023-09-23 11:11:05 +02:00
purgatory powerpc/purgatory: remove PGO flags 2023-06-21 16:00:55 +02:00
sysdev powerpc/mpc5xxx: Add missing fwnode_handle_put() 2023-09-13 09:42:48 +02:00
tools powerpc/64: Add UADDR64 relocation support 2022-03-09 21:47:53 +11:00
xmon powerpc: Don't include lppaca.h in paca.h 2023-09-13 09:42:48 +02:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig powerpc/mm: Convert to using lock_mm_and_find_vma() 2023-07-01 13:16:24 +02:00
Kconfig.debug powerpc: allow PPC_EARLY_DEBUG_CPM only when SERIAL_CPM=y 2023-07-19 16:22:04 +02:00
Makefile powerpc: Fail build if using recordmcount with binutils v2.37 2023-07-23 13:49:32 +02:00
Makefile.postlink powerpc: unrel_branch_check.sh: use nm to find symbol value 2020-09-02 11:00:22 +10:00