Message ID | 1393424617-29729-1-git-send-email-u.kleine-koenig@pengutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index 2260f1855820..89f902cc5bfe 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -22,12 +22,14 @@ __invalid_entry: v7m_exception_entry +#ifdef CONFIG_PRINTK adr r0, strerr mrs r1, ipsr mov r2, lr bl printk mov r0, sp bl show_regs +#endif 1: b 1b ENDPROC(__invalid_entry)
Otherwise this fails to build (e.g. on efm32_defconfig + CONFIG_PRINTK=n) with: arch/arm/kernel/entry-v7m.S:28: undefined reference to `printk' . Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- arch/arm/kernel/entry-v7m.S | 2 ++ 1 file changed, 2 insertions(+)