[PATCH V2] x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN

[Thomas Gleixner]

Subject: x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN
From: Thomas Gleixner <t...@linutronix.de>
Date: Fri, 05 Jan 2018 15:05:27 +0100

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

Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---

V2: This time quilt refreshed ...

---
 arch/x86/include/asm/cpufeatures.h |    2 +-
 arch/x86/kernel/cpu/common.c       |    2 +-
 arch/x86/mm/pti.c                  |    6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -341,6 +341,6 @@
 #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
@@ -900,7 +900,7 @@ static void __init early_identify_cpu(st
        setup_force_cpu_cap(X86_FEATURE_ALWAYS);
 
        if (c->x86_vendor != X86_VENDOR_AMD)
-               setup_force_cpu_bug(X86_BUG_CPU_INSECURE);
+               setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN);
 
        fpu__init_system(c);
 
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -56,13 +56,13 @@
 
 static void __init pti_print_if_insecure(const char *reason)
 {
-       if (boot_cpu_has_bug(X86_BUG_CPU_INSECURE))
+       if (boot_cpu_has_bug(X86_BUG_CPU_MELTDOWN))
                pr_info("%s\n", reason);
 }
 
 static void __init pti_print_if_secure(const char *reason)
 {
-       if (!boot_cpu_has_bug(X86_BUG_CPU_INSECURE))
+       if (!boot_cpu_has_bug(X86_BUG_CPU_MELTDOWN))
                pr_info("%s\n", reason);
 }
 
@@ -96,7 +96,7 @@ void __init pti_check_boottime_disable(v
        }
 
 autosel:
-       if (!boot_cpu_has_bug(X86_BUG_CPU_INSECURE))
+       if (!boot_cpu_has_bug(X86_BUG_CPU_MELTDOWN))
                return;
 enable:
        setup_force_cpu_cap(X86_FEATURE_PTI);