From c6dbd3e5e69cf3ca47a3864115d4cbdd44619243 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 15 Nov 2021 17:46:39 +0100
Subject: 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
---
 arch/x86/lib/usercopy_32.c | 1 -
 1 file changed, 1 deletion(-)

(limited to 'arch/x86/lib/usercopy_32.c')

diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 7d290777246d..962006bdb8a8 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -8,7 +8,6 @@
  */
 #include <linux/export.h>
 #include <linux/uaccess.h>
-#include <asm/mmx.h>
 #include <asm/asm.h>
 
 #ifdef CONFIG_X86_INTEL_USERCOPY
-- 
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