On Mon, Nov 18, 2013 at 09:04:36PM +0000, Jason Baron wrote:
> The panic_timeout value can be set via the command line option 'panic=x', or via
> /proc/sys/kernel/panic, however that is not sufficient when the panic occurs
> before we are able to set up these values. Thus, add a CONFIG_PANIC_TIMEOUT
> so that we can set the desired value from the .config.
>
> The default panic_timeout value continues to be 0 - wait forever, except for
> powerpc and mips, which have been defaulted to 180 and 5 respectively. This
> is in keeping with the fact that these arches already set panic_timeout in
> their arch init code. However, I found three exceptions- two in mips and one in
> powerpc where the settings didn't match these default values. In those cases, I
> left the arch code so it continues to override, in case the user has not changed
> from the default. It would nice if these arches had one default value, or if we
> could determine the correct setting at compile-time.
It's more complicated - MIPS was using the global default with five MIPS
platforms overriding the default.
I propose to kill these overrides for sanity unless somebody comes up
with a good argument. Patch below.
Ralf
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
arch/mips/ar7/setup.c | 1 -
arch/mips/emma/markeins/setup.c | 3 ---
arch/mips/netlogic/xlp/setup.c | 1 -
arch/mips/netlogic/xlr/setup.c | 1 -
arch/mips/sibyte/swarm/setup.c | 2 --
5 files changed, 8 deletions(-)
diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c
index 9a357ff..820b7a3 100644
--- a/arch/mips/ar7/setup.c
+++ b/arch/mips/ar7/setup.c
@@ -92,7 +92,6 @@ void __init plat_mem_setup(void)
_machine_restart = ar7_machine_restart;
_machine_halt = ar7_machine_halt;
pm_power_off = ar7_machine_power_off;
- panic_timeout = 3;
io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
if (!io_base)
diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c
index d710058..9100122 100644
--- a/arch/mips/emma/markeins/setup.c
+++ b/arch/mips/emma/markeins/setup.c
@@ -111,9 +111,6 @@ void __init plat_mem_setup(void)
iomem_resource.start = EMMA2RH_IO_BASE;
iomem_resource.end = EMMA2RH_ROM_BASE - 1;
- /* Reboot on panic */
- panic_timeout = 180;
-
markeins_sio_setup();
}
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index 6d981bb..54e75c7 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -92,7 +92,6 @@ static void __init xlp_init_mem_from_bars(void)
void __init plat_mem_setup(void)
{
- panic_timeout = 5;
_machine_restart = (void (*)(char *))nlm_linux_exit;
_machine_halt = nlm_linux_exit;
pm_power_off = nlm_linux_exit;
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 214d123..921be5f 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -92,7 +92,6 @@ static void nlm_linux_exit(void)
void __init plat_mem_setup(void)
{
- panic_timeout = 5;
_machine_restart = (void (*)(char *))nlm_linux_exit;
_machine_halt = nlm_linux_exit;
pm_power_off = nlm_linux_exit;
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 41707a2..3462c83 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -134,8 +134,6 @@ void __init plat_mem_setup(void)
#error invalid SiByte board configuration
#endif
- panic_timeout = 5; /* For debug. */
-
board_be_handler = swarm_be_handler;
if (xicor_probe())
