Patch "x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN" has been added to the 4.9-stable tree

Patch "x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     x86-pti-rename-bug_cpu_insecure-to-bug_cpu_meltdown.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From de791821c295cc61419a06fe5562288417d1bc58 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 5 Jan 2018 15:27:34 +0100
Subject: x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN

From: Thomas Gleixner <tglx@linutronix.de>

commit de791821c295cc61419a06fe5562288417d1bc58 upstream.

Use the name associated with the particular attack which needs page table
isolation for mitigation.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Woodhouse <dwmw@amazon.co.uk>
Cc: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: Jiri Koshina <jikos@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Andi Lutomirski  <luto@amacapital.net>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Turner <pjt@google.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Greg KH <gregkh@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kees Cook <keescook@google.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/alpine.DEB.2.20.1801051525300.1724@nanos
Signed-off-by: Razvan Ghitulete <rga@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/x86/include/asm/cpufeatures.h |    2 +-
 arch/x86/kernel/cpu/common.c       |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -316,6 +316,6 @@
 #define X86_BUG_SWAPGS_FENCE	X86_BUG(11) /* SWAPGS without input dep on GS */
 #define X86_BUG_MONITOR		X86_BUG(12) /* IPI required to wake up remote CPU */
 #define X86_BUG_AMD_E400	X86_BUG(13) /* CPU is among the affected by Erratum 400 */
-#define X86_BUG_CPU_INSECURE	X86_BUG(14) /* CPU is insecure and needs kernel page table isolation */
+#define X86_BUG_CPU_MELTDOWN	X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */
 
 #endif /* _ASM_X86_CPUFEATURES_H */
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -884,7 +884,7 @@ static void __init early_identify_cpu(st
 	setup_force_cpu_cap(X86_FEATURE_ALWAYS);
 
 	/* Assume for now that ALL x86 CPUs are insecure */
-	setup_force_cpu_bug(X86_BUG_CPU_INSECURE);
+	setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN);
 
 	fpu__init_system(c);
 }


Patches currently in stable-queue which might be from tglx@linutronix.de are

queue-4.9/x86-spectre-add-boot-time-option-to-select-spectre-v2-mitigation.patch
queue-4.9/x86-retpoline-irq32-convert-assembler-indirect-jumps.patch
queue-4.9/objtool-detect-jumps-to-retpoline-thunks.patch
queue-4.9/x86-cpufeatures-add-x86_bug_spectre_v.patch
queue-4.9/x86-microcode-intel-extend-bdw-late-loading-with-a-revision-check.patch
queue-4.9/x86-alternatives-add-missing-n-at-end-of-alternative-inline-asm.patch
queue-4.9/x86-retpoline-hyperv-convert-assembler-indirect-jumps.patch
queue-4.9/x86-retpoline-entry-convert-entry-assembler-indirect-jumps.patch
queue-4.9/x86-asm-use-register-variable-to-get-stack-pointer-value.patch
queue-4.9/sysfs-cpu-fix-typos-in-vulnerability-documentation.patch
queue-4.9/x86-cpufeatures-add-x86_bug_cpu_insecure.patch
queue-4.9/objtool-modules-discard-objtool-annotation-sections-for-modules.patch
queue-4.9/x86-cpufeatures-make-cpu-bugs-sticky.patch
queue-4.9/x86-cpu-amd-make-lfence-a-serializing-instruction.patch
queue-4.9/x86-retpoline-ftrace-convert-ftrace-assembler-indirect-jumps.patch
queue-4.9/x86-documentation-add-pti-description.patch
queue-4.9/x86-acpi-handle-sci-interrupts-above-legacy-space-gracefully.patch
queue-4.9/objtool-allow-alternatives-to-be-ignored.patch
queue-4.9/x86-cpu-implement-cpu-vulnerabilites-sysfs-functions.patch
queue-4.9/x86-retpoline-crypto-convert-crypto-assembler-indirect-jumps.patch
queue-4.9/x86-cpu-factor-out-application-of-forced-cpu-caps.patch
queue-4.9/selftests-x86-add-test_vsyscall.patch
queue-4.9/x86-retpoline-xen-convert-xen-hypercall-indirect-jumps.patch
queue-4.9/x86-cpu-merge-bugs.c-and-bugs_64.c.patch
queue-4.9/x86-retpoline-checksum32-convert-assembler-indirect-jumps.patch
queue-4.9/x86-mm-32-move-setup_clear_cpu_cap-x86_feature_pcid-earlier.patch
queue-4.9/sysfs-cpu-add-vulnerability-folder.patch
queue-4.9/x86-retpoline-fill-return-stack-buffer-on-vmexit.patch
queue-4.9/x86-pti-rename-bug_cpu_insecure-to-bug_cpu_meltdown.patch
queue-4.9/x86-acpi-reduce-code-duplication-in-mp_override_legacy_irq.patch
queue-4.9/x86-retpoline-remove-compile-time-warning.patch
queue-4.9/x86-alternatives-fix-optimize_nops-checking.patch
queue-4.9/x86-cpu-amd-use-lfence_rdtsc-in-preference-to-mfence_rdtsc.patch
queue-4.9/x86-retpoline-add-initial-retpoline-support.patch