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authorLinus Torvalds <torvalds@linux-foundation.org>2018-01-28 12:24:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-28 12:24:36 -0800
commit24b1cccf922914f3d6eeb84036dde8338bc03abb (patch)
tree216e106b1c8e1ebae0105d4f1108ee4ca74cd27c
parent32c6cdf75c9270848d2d0ed7c814eba05b47081f (diff)
parent1df37383a8aeabb9b418698f0bcdffea01f4b1b2 (diff)
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 retpoline fixlet from Thomas Gleixner: "Remove the ESP/RSP thunks for retpoline as they cannot ever work. Get rid of them before they show up in a release" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/retpoline: Remove the esp/rsp thunk
-rw-r--r--arch/x86/include/asm/asm-prototypes.h1
-rw-r--r--arch/x86/lib/retpoline.S1
2 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h
index 0927cdc4f946..1908214b9125 100644
--- a/arch/x86/include/asm/asm-prototypes.h
+++ b/arch/x86/include/asm/asm-prototypes.h
@@ -38,5 +38,4 @@ INDIRECT_THUNK(dx)
INDIRECT_THUNK(si)
INDIRECT_THUNK(di)
INDIRECT_THUNK(bp)
-INDIRECT_THUNK(sp)
#endif /* CONFIG_RETPOLINE */
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index dfb2ba91b670..c909961e678a 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -36,7 +36,6 @@ GENERATE_THUNK(_ASM_DX)
GENERATE_THUNK(_ASM_SI)
GENERATE_THUNK(_ASM_DI)
GENERATE_THUNK(_ASM_BP)
-GENERATE_THUNK(_ASM_SP)
#ifdef CONFIG_64BIT
GENERATE_THUNK(r8)
GENERATE_THUNK(r9)