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authorBorislav Petkov <bp@suse.de>2022-01-27 12:56:25 +0100
committerBorislav Petkov <bp@suse.de>2022-04-04 10:17:03 +0200
commit76ea0025a214cdf0d2c204f4c21cbffa9fb57c32 (patch)
tree643870c8255bf50443d394dec8d148e786b77de9 /arch/x86/mm/init_64.c
parent385d2ae0a1b5efacb30e13a0f0e521490441d9bb (diff)
downloadlinux-76ea0025a214cdf0d2c204f4c21cbffa9fb57c32.tar.gz
x86/cpu: Remove "noexec"
It doesn't make any sense to disable non-executable mappings -
security-wise or else.

So rip out that switch and move the remaining code into setup.c and
delete setup_nx.c

Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220127115626.14179-6-bp@alien8.de
Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r--arch/x86/mm/init_64.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 96d34ebb20a9..d2e484efdfa1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -110,7 +110,6 @@ int force_personality32;
 /*
  * noexec32=on|off
  * Control non executable heap for 32bit processes.
- * To control the stack too use noexec=off
  *
  * on	PROT_READ does not imply PROT_EXEC for 32-bit processes (default)
  * off	PROT_READ implies PROT_EXEC