From: John Williams Date: Tue, 15 Sep 2009 02:29:55 +0000 (+1000) Subject: microblaze: Clear sticky FSR register after generating exception signals X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=71b23d547b5a06f49acacaf742ebf1a85673f8d1;p=deliverable%2Flinux.git microblaze: Clear sticky FSR register after generating exception signals FSR is sticky, so after the userspace exception/signal generation, clear it ready for next time. Signed-off-by: John Williams --- diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 0ad0f7011a1a..6b0288ebccd6 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -384,6 +384,8 @@ handle_other_ex: /* Handle Other exceptions here */ addk r8, r17, r0; /* Load exception address */ bralid r15, full_exception; /* Branch to the handler */ nop; + mts r0, rfsr; /* Clear sticky fsr */ + nop /* * Trigger execution of the signal handler by enabling