On Thu, Oct 18, 2012 at 02:06:06PM +0300, dragos.tatu...@intel.com wrote:
> From: Dragos Tatulea <dragos.tatu...@intel.com>
>
> Otherwise we might miss out on some pstore dumpers that use
> printks below current log level.
If anything, this should be folded into 'pstore: add debugfs support for
causing dumps and panics'. But I'm not sure about the debugfs stuff
anyway.
> Signed-off-by: Dragos Tatulea <dragos.tatu...@intel.com>
> ---
> fs/pstore/platform.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
> index 25f59ed..e3ad13e 100644
> --- a/fs/pstore/platform.c
> +++ b/fs/pstore/platform.c
> @@ -267,6 +267,7 @@ static DEFINE_SPINLOCK(dbg_lock);
> static int dbg_dump(void *data, u64 val)
> {
> unsigned long flags;
> + int saved_loglevel;
>
> switch (val) {
> case KMSG_DUMP_PANIC:
> @@ -276,7 +277,10 @@ static int dbg_dump(void *data, u64 val)
> case KMSG_DUMP_HALT:
> case KMSG_DUMP_POWEROFF:
> spin_lock_irqsave(&dbg_lock, flags);
> + saved_loglevel = console_loglevel;
> + console_loglevel = 15;
> kmsg_dump(val);
> + console_loglevel = saved_loglevel;
> spin_unlock_irqrestore(&dbg_lock, flags);
> return 0;
> }
> --
> 1.7.9.5
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