From: H. Peter Anvin Date: Tue, 8 May 2012 18:22:39 +0000 (+0300) Subject: x86, realmode: Fix always-zero test in reboot_32.S X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6feb592dceaed1a6cf26c9747b1180958d5156cd;p=linux-beck.git x86, realmode: Fix always-zero test in reboot_32.S A test instruction is an "and", and an and with zero is always zero. This would cause us to always take the BIOS path, not the APM path, in case anyone actually cares... Signed-off-by: H. Peter Anvin Link: http://lkml.kernel.org/r/1336501366-28617-17-git-send-email-jarkko.sakkinen@intel.com --- diff --git a/arch/x86/realmode/rm/reboot_32.S b/arch/x86/realmode/rm/reboot_32.S index e90f8c4bbae2..50ba994ba921 100644 --- a/arch/x86/realmode/rm/reboot_32.S +++ b/arch/x86/realmode/rm/reboot_32.S @@ -85,7 +85,7 @@ machine_real_restart_asm16: movl %edx, %cr0 LJMPW_RM(3f) 3: - testb $0, %al + andw %ax, %ax jz bios apm: