x86/mmx_32: Remove X86_USE_3DNOW
This code puts an exception table entry on the PREFETCH instruction to
overwrite it with a JMP.d8 when it triggers an exception. Except of
course, our code is no longer writable, also SMP.
Instead of fixing this broken mess, simply take it out.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/YZKQzUmeNuwyvZpk@hirez.programming.kicks-ass.net
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index dd13ba8..0c9c680 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1957,7 +1957,7 @@
config EFI_STUB
bool "EFI stub support"
- depends on EFI && !X86_USE_3DNOW
+ depends on EFI
depends on $(cc-option,-mabi=ms) || X86_32
select RELOCATABLE
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