diff options
author | Peter Zijlstra <peterz@infradead.org> | 2025-01-13 12:29:34 +0100 |
---|---|---|
committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-01-13 12:42:51 +0100 |
commit | a9bbe341333109465605e8733bab0b573cddcc8c (patch) | |
tree | de36777c663cc52bae293ebee680fc29c7864bd3 | |
parent | 5bc55a333a2f7316b58edc7573e8e893f7acb532 (diff) |
x86: Disable EXECMEM_ROX support
The whole module_writable_address() nonsense made a giant mess of
alternative.c, not to mention it still contains bugs -- notable some of the
CFI variants crash and burn.
Mike has been working on patches to clean all this up again, but given the
current state of things, this stuff just isn't ready.
Disable for now, lets try again next cycle.
Fixes: 5185e7f9f3bd ("x86/module: enable ROX caches for module text on 64 bit")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20250113112934.GA8385@noisy.programming.kicks-ass.net
-rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d7bd0ae48c4..ef6cfea9df73 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -83,7 +83,6 @@ config X86 select ARCH_HAS_DMA_OPS if GART_IOMMU || XEN select ARCH_HAS_EARLY_DEBUG if KGDB select ARCH_HAS_ELF_RANDOMIZE - select ARCH_HAS_EXECMEM_ROX if X86_64 select ARCH_HAS_FAST_MULTIPLIER select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL |