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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-23 18:43:04 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-23 18:43:04 +0100
commitd82924c3b8d0607094b94fab290a33c5ad7d586c (patch)
tree2afbc9066262b5987c8568a09f80db5198025689 /arch/x86/kernel/process_64.c
parentd7197a5ad8528642cb70f1d27d4d5c7332a2b395 (diff)
parentbb4b3b7762735cdaba5a40fd94c9303d9ffa147a (diff)
downloadlinux-d82924c3b8d0607094b94fab290a33c5ad7d586c.tar.bz2
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 pti updates from Ingo Molnar: "The main changes: - Make the IBPB barrier more strict and add STIBP support (Jiri Kosina) - Micro-optimize and clean up the entry code (Andy Lutomirski) - ... plus misc other fixes" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/speculation: Propagate information about RSB filling mitigation to sysfs x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation x86/speculation: Apply IBPB more strictly to avoid cross-process data leak x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant x86/CPU: Fix unused variable warning when !CONFIG_IA32_EMULATION x86/pti/64: Remove the SYSCALL64 entry trampoline x86/entry/64: Use the TSS sp2 slot for SYSCALL/SYSRET scratch space x86/entry/64: Document idtentry
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index d6674a425714..31b4755369f0 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -60,8 +60,6 @@
#include <asm/unistd_32_ia32.h>
#endif
-__visible DEFINE_PER_CPU(unsigned long, rsp_scratch);
-
/* Prints also some state that isn't saved in the pt_regs */
void __show_regs(struct pt_regs *regs, enum show_regs_mode mode)
{