x86/dumpstack: Indicate in Oops whether PTI is configured and enabled

[linux-2.6-microblaze.git] / arch / x86 / kernel / dumpstack.c

diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 36b17e0..5fa1106 100644 (file)
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -297,11 +297,13 @@ int __die(const char *str, struct pt_regs *regs, long err)
        unsigned long sp;
 #endif
        printk(KERN_DEFAULT
-              "%s: %04lx [#%d]%s%s%s%s\n", str, err & 0xffff, ++die_counter,
+              "%s: %04lx [#%d]%s%s%s%s%s\n", str, err & 0xffff, ++die_counter,
               IS_ENABLED(CONFIG_PREEMPT) ? " PREEMPT"         : "",
               IS_ENABLED(CONFIG_SMP)     ? " SMP"             : "",
               debug_pagealloc_enabled()  ? " DEBUG_PAGEALLOC" : "",
-              IS_ENABLED(CONFIG_KASAN)   ? " KASAN"           : "");
+              IS_ENABLED(CONFIG_KASAN)   ? " KASAN"           : "",
+              IS_ENABLED(CONFIG_PAGE_TABLE_ISOLATION) ?
+              (boot_cpu_has(X86_FEATURE_PTI) ? " PTI" : " NOPTI") : "");
 
        if (notify_die(DIE_OOPS, str, regs, err,
                        current->thread.trap_nr, SIGSEGV) == NOTIFY_STOP)