Revert "module: Add retpoline tag to VERMAGIC"
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 24 Jan 2018 14:28:17 +0000 (15:28 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Jan 2018 13:03:41 +0000 (14:03 +0100)
commit 5132ede0fe8092b043dae09a7cc32b8ae7272baa upstream.

This reverts commit 6cfb521ac0d5b97470883ff9b7facae264b7ab12.

Turns out distros do not want to make retpoline as part of their "ABI",
so this patch should not have been merged.  Sorry Andi, this was my
fault, I suggested it when your original patch was the "correct" way of
doing this instead.

Reported-by: Jiri Kosina <jikos@kernel.org>
Fixes: 6cfb521ac0d5 ("module: Add retpoline tag to VERMAGIC")
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: rusty@rustcorp.com.au
Cc: arjan.van.de.ven@intel.com
Cc: jeyu@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/vermagic.h

index 853291714ae0b9a11682c87815efe0abc2ce2377..bae807eb2933f9391d42c3d0dd73d98928b91a98 100644 (file)
 #else
 #define MODULE_RANDSTRUCT_PLUGIN
 #endif
-#ifdef RETPOLINE
-#define MODULE_VERMAGIC_RETPOLINE "retpoline "
-#else
-#define MODULE_VERMAGIC_RETPOLINE ""
-#endif
 
 #define VERMAGIC_STRING                                                \
        UTS_RELEASE " "                                                 \
        MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT                     \
        MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS       \
        MODULE_ARCH_VERMAGIC                                            \
-       MODULE_RANDSTRUCT_PLUGIN                                        \
-       MODULE_VERMAGIC_RETPOLINE
+       MODULE_RANDSTRUCT_PLUGIN