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arm64: Mandate VMAP_STACK

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On arm64, VMAP_STACK has been enabled by default for a while now, and
the only reason to disable it was a historical lack of support for
KASAN_VMALLOC. Today there's no good reason to disable VMAP_STACK.

Mandate VMAP_STACK, which will allow code to be simplified in
subsequent patches.

Suggested-by: Will Deacon <[email protected]>
Signed-off-by: Breno Leitao <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
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Breno Leitao authored and Will Deacon committed 2025-07-08 13:41:08 +01:00
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commit ef6861b8e6
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arch/arm64/Kconfig
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@@ -279,6 +279,7 @@ config ARM64
select HAVE_SOFTIRQ_ON_OWN_STACK
select USER_STACKTRACE_SUPPORT
select VDSO_GETRANDOM
select VMAP_STACK
help
ARM 64-bit (AArch64) Linux support.