Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] x86/entry: Fix unused-function warning | Date | Wed, 27 May 2020 15:48:33 +0200 |
| |
The new 'address' variable is only used in some configurations:
arch/x86/kernel/traps.c:332:16: error: unused variable 'address' [-Werror,-Wunused-variable] unsigned long address = read_cr2();
Change the #ifdef guard to cover this case as well.
Fixes: 095b7a3e7745 ("x86/entry: Convert double fault exception to IDTENTRY_DF") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/x86/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 35298c1df32f..c9d0d466641a 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -328,7 +328,7 @@ DEFINE_IDTENTRY_DF(exc_double_fault) static const char str[] = "double fault"; struct task_struct *tsk = current; -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && defined(CONFIG_VMAP_STACK) unsigned long address = read_cr2(); #endif -- 2.26.2
| |