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SubjectRe: [PATCH 4.19 49/81] powerpc: Remove STRICT_KERNEL_RWX incompatibility with RELOCATABLE
On Tue 2020-05-26 20:53:24, Greg Kroah-Hartman wrote:
> From: Russell Currey <ruscur@russell.cc>
>
> [ Upstream commit c55d7b5e64265fdca45c85b639013e770bde2d0e ]
>
> I have tested this with the Radix MMU and everything seems to work, and
> the previous patch for Hash seems to fix everything too.
> STRICT_KERNEL_RWX should still be disabled by default for now.
>
> Please test STRICT_KERNEL_RWX + RELOCATABLE!

I don't believe this is suitable for -stable. Yes, it is needed for
the next patch, but doing the merge is right solution this time.

Best regards,
Pavel


> +++ b/arch/powerpc/Kconfig
> @@ -139,7 +139,7 @@ config PPC
> select ARCH_HAS_MEMBARRIER_CALLBACKS
> select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE
> select ARCH_HAS_SG_CHAIN
> - select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION)
> + select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !HIBERNATION)
> select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
> select ARCH_HAS_UACCESS_FLUSHCACHE if PPC64
> select ARCH_HAS_UBSAN_SANITIZE_ALL

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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