[PATCH 3.16 07/76] x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN

[Ben Hutchings]

3.16.56-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

commit de791821c295cc61419a06fe5562288417d1bc58 upstream.

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

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
Cc: Alan Cox <gnomes@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Koshina <jikos@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
Cc: Andi Lutomirski  <luto@xxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Paul Turner <pjt@xxxxxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/alpine.DEB.2.20.1801051525300.1724@nanos
[bwh: Backported to 3.16: bug number is different]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -241,7 +241,7 @@
 #define X86_BUG_COMA		X86_BUG(2) /* Cyrix 6x86 coma */
 #define X86_BUG_AMD_TLB_MMATCH	X86_BUG(3) /* AMD Erratum 383 */
 #define X86_BUG_AMD_APIC_C1E	X86_BUG(4) /* AMD Erratum 400 */
-#define X86_BUG_CPU_INSECURE	X86_BUG(5) /* CPU is insecure and needs kernel page table isolation */
+#define X86_BUG_CPU_MELTDOWN	X86_BUG(5) /* CPU is affected by meltdown attack and needs kernel page table isolation */
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -806,7 +806,7 @@ 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);
 }
 
 void __init early_cpu_init(void)