Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Jens Axboe
On 3/25/21 8:02 AM, Jens Axboe wrote: > On 3/25/21 7:56 AM, Stefan Metzmacher wrote: >> Am 25.03.21 um 14:38 schrieb Jens Axboe: >>> On 3/25/21 6:11 AM, Stefan Metzmacher wrote: Am 25.03.21 um 13:04 schrieb Eric W. Biederman: > Stefan Metzmacher writes: > >> Am 25.03.21 um 12

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Sasha Levin
On Thu, Mar 25, 2021 at 08:02:11AM -0600, Jens Axboe wrote: On 3/25/21 7:56 AM, Stefan Metzmacher wrote: Am 25.03.21 um 14:38 schrieb Jens Axboe: On 3/25/21 6:11 AM, Stefan Metzmacher wrote: Am 25.03.21 um 13:04 schrieb Eric W. Biederman: Stefan Metzmacher writes: Am 25.03.21 um 12:24 sch

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Jens Axboe
On 3/25/21 7:56 AM, Stefan Metzmacher wrote: > Am 25.03.21 um 14:38 schrieb Jens Axboe: >> On 3/25/21 6:11 AM, Stefan Metzmacher wrote: >>> >>> Am 25.03.21 um 13:04 schrieb Eric W. Biederman: Stefan Metzmacher writes: > Am 25.03.21 um 12:24 schrieb Sasha Levin: >> From: "Eric W.

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Stefan Metzmacher
Am 25.03.21 um 14:38 schrieb Jens Axboe: > On 3/25/21 6:11 AM, Stefan Metzmacher wrote: >> >> Am 25.03.21 um 13:04 schrieb Eric W. Biederman: >>> Stefan Metzmacher writes: >>> Am 25.03.21 um 12:24 schrieb Sasha Levin: > From: "Eric W. Biederman" > > [ Upstream commit 4db4b1a0d177

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Jens Axboe
On 3/25/21 6:11 AM, Stefan Metzmacher wrote: > > Am 25.03.21 um 13:04 schrieb Eric W. Biederman: >> Stefan Metzmacher writes: >> >>> Am 25.03.21 um 12:24 schrieb Sasha Levin: From: "Eric W. Biederman" [ Upstream commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597 ] Just like

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Stefan Metzmacher
Am 25.03.21 um 13:04 schrieb Eric W. Biederman: > Stefan Metzmacher writes: > >> Am 25.03.21 um 12:24 schrieb Sasha Levin: >>> From: "Eric W. Biederman" >>> >>> [ Upstream commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597 ] >>> >>> Just like we don't allow normal signals to IO threads, don't del

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Eric W. Biederman
Stefan Metzmacher writes: > Am 25.03.21 um 12:24 schrieb Sasha Levin: >> From: "Eric W. Biederman" >> >> [ Upstream commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597 ] >> >> Just like we don't allow normal signals to IO threads, don't deliver a >> STOP to a task that has PF_IO_WORKER set. The IO

Re: [PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Stefan Metzmacher
Am 25.03.21 um 12:24 schrieb Sasha Levin: > From: "Eric W. Biederman" > > [ Upstream commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597 ] > > Just like we don't allow normal signals to IO threads, don't deliver a > STOP to a task that has PF_IO_WORKER set. The IO threads don't take > signals in gen

[PATCH AUTOSEL 5.11 43/44] signal: don't allow STOP on PF_IO_WORKER threads

2021-03-25 Thread Sasha Levin
From: "Eric W. Biederman" [ Upstream commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597 ] Just like we don't allow normal signals to IO threads, don't deliver a STOP to a task that has PF_IO_WORKER set. The IO threads don't take signals in general, and have no means of flushing out a stop either.