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ARM: 9177/1: disable vmap'ed stacks on suspend-capable SMP configs

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There are several reports about the new vmap'ed stacks code breaking
suspend/resume on Exynos, Renesas and Tegra SMP platforms. While this is
under investigation, let's disable the vmap'ed stacks feature for the
time being for SMP configurations that have suspend/resume enabled.

[0] https://lore.kernel.org/linux-arm-kernel/20211122092816.2865873-8-ardb@kernel.org/

Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Ard Biesheuvel
2022-01-05 15:45:26 +01:00
committed by Russell King (Oracle)
parent 9cf72c358a
commit 23d9a9280e
1 changed files with 1 additions and 1 deletions
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2
arch/arm/Kconfig
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@@ -128,7 +128,7 @@ config ARM
select RTC_LIB
select SYS_SUPPORTS_APM_EMULATION
select THREAD_INFO_IN_TASK
select HAVE_ARCH_VMAP_STACK if MMU && (!LD_IS_LLD || LLD_VERSION >= 140000)
select HAVE_ARCH_VMAP_STACK if MMU && (!LD_IS_LLD || LLD_VERSION >= 140000) && !PM_SLEEP_SMP
select TRACE_IRQFLAGS_SUPPORT if !CPU_V7M
# Above selects are sorted alphabetically; please add new ones
# according to that. Thanks.