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SubjectRe: [PATCH 3/3] kernel/hung_task convert hung_task_panic boot parameter to sysctl
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On 2020/03/30 20:55, Vlastimil Babka wrote:
> @@ -63,16 +63,6 @@ static struct task_struct *watchdog_task;
> unsigned int __read_mostly sysctl_hung_task_panic =
> CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE;
>
> -static int __init hung_task_panic_setup(char *str)
> -{
> - int rc = kstrtouint(str, 0, &sysctl_hung_task_panic);
> -
> - if (rc)
> - return rc;
> - return 1;
> -}
> -__setup("hung_task_panic=", hung_task_panic_setup);

Can we defer removal of this handler for "one release cycle" (and instead emit a line
saying that "this parameter will be replaced by ..." during that cycle) ? I welcome
PATCH 1/3, but kernel testing projects (e.g. syzbot) needs to update their settings
between PATCH 1/3 was merged into linux.git and PATCH 3/3 is merged into linux.git .

https://lkml.kernel.org/r/CACT4Y+YE-j5ncjTGN6UhngfCNRgVo-QDZ3VCBGACdbs9-v+axQ@mail.gmail.com says
"Announcing unmerged changes is too early (as this patch showed). And once it's in linux-next it's already too late.."

> -
> static int
> hung_task_panic(struct notifier_block *this, unsigned long event, void *ptr)
> {
>

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