ARC no console output (was Re: [PATCH 1/2] init/console: Use ttynull as a fallback when there is no console)

2021-01-06 Thread Vineet Gupta
+CC Buildroot folks Hi Petr, On 11/11/20 5:54 AM, Petr Mladek wrote: stdin, stdout, and stderr standard I/O stream are created for the init process. They are not available when there is no console registered for /dev/console. It might lead to a crash when the init process tries to use them, see

[PATCH] ARC: unbork 5.11 bootup: fix snafu in _TIF_NOTIFY_SIGNAL handling

2021-01-06 Thread Vineet Gupta
Linux 5.11.rcX was failing to boot on ARC HSDK board. Turns out we have a couple of issues, this being the first one, and I'm to blame as I didn't pay attention during review. TIF_NOTIFY_SIGNAL support requires checking multiple TIF_* bits in kernel return code path. Old code only needed to check

Re: [PATCH] ARC: unbork 5.11 bootup: fix snafu in _TIF_NOTIFY_SIGNAL handling

2021-01-06 Thread Jens Axboe
On 1/6/21 5:12 PM, Vineet Gupta wrote: > Linux 5.11.rcX was failing to boot on ARC HSDK board. Turns out we have > a couple of issues, this being the first one, and I'm to blame as I > didn't pay attention during review. > > TIF_NOTIFY_SIGNAL support requires checking multiple TIF_* bits in > kern