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powerpc/vdso: Switch to generic storage implementation

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The generic storage implementation provides the same features as the
custom one. However it can be shared between architectures, making
maintenance easier.

Co-developed-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/all/20250204-vdso-store-rng-v3-14-13a4669dfc8c@linutronix.de
This commit is contained in:
Thomas Weißschuh
2025-02-04 13:05:46 +01:00
committed by Thomas Gleixner
parent 69896119dc
commit 223970df2b
16 changed files with 89 additions and 198 deletions
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2
arch/powerpc/Kconfig
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@@ -159,6 +159,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN
select ARCH_HAS_VDSO_ARCH_DATA
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_HAVE_EXTRA_ELF_NOTES if SPU_BASE
select ARCH_KEEP_MEMBLOCK
@@ -209,6 +210,7 @@ config PPC
select GENERIC_PTDUMP
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
select GENERIC_VDSO_DATA_STORE
select GENERIC_VDSO_TIME_NS
select HAS_IOPORT if PCI
select HAVE_ARCH_AUDITSYSCALL