Re: stable request

2021-03-19 Thread Sasha Levin
On Fri, Mar 19, 2021 at 11:50:06AM +0100, Greg KH wrote: On Fri, Mar 19, 2021 at 07:35:44AM +, Thomas Backlund wrote: Den 18-03-2021 kl. 15:03, skrev Sasha Levin: > > On Tue, Mar 16, 2021 at 01:35:40PM +0100, Ard Biesheuvel wrote: >> On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: >>>

Re: stable request

2021-03-19 Thread Greg KH
On Fri, Mar 19, 2021 at 07:35:44AM +, Thomas Backlund wrote: > Den 18-03-2021 kl. 15:03, skrev Sasha Levin: > > > > On Tue, Mar 16, 2021 at 01:35:40PM +0100, Ard Biesheuvel wrote: > >> On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: > >>> > >>> > >>> Den 16.3.2021 kl. 14:15, skrev Thomas

Re: stable request

2021-03-19 Thread Thomas Backlund
Den 18-03-2021 kl. 15:03, skrev Sasha Levin: > > On Tue, Mar 16, 2021 at 01:35:40PM +0100, Ard Biesheuvel wrote: >> On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: >>> >>> >>> Den 16.3.2021 kl. 14:15, skrev Thomas Backlund: Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel: > On Tue

Re: stable request

2021-03-18 Thread Ard Biesheuvel
On Thu, 18 Mar 2021 at 18:13, Ard Biesheuvel wrote: > > On Thu, 18 Mar 2021 at 17:42, Sasha Levin wrote: > > > > On Thu, Mar 18, 2021 at 03:15:35PM +0100, Ard Biesheuvel wrote: > > >On Thu, 18 Mar 2021 at 14:03, Sasha Levin wrote: > > >> What about anything older than 5.10? Looks like it's neede

Re: stable request

2021-03-18 Thread Ard Biesheuvel
On Thu, 18 Mar 2021 at 17:42, Sasha Levin wrote: > > On Thu, Mar 18, 2021 at 03:15:35PM +0100, Ard Biesheuvel wrote: > >On Thu, 18 Mar 2021 at 14:03, Sasha Levin wrote: > >> What about anything older than 5.10? Looks like it's needed there too? > >> > > > >Yes, 4.19 and 5.4 should probably get th

Re: stable request

2021-03-18 Thread Sasha Levin
On Thu, Mar 18, 2021 at 03:15:35PM +0100, Ard Biesheuvel wrote: On Thu, 18 Mar 2021 at 14:03, Sasha Levin wrote: What about anything older than 5.10? Looks like it's needed there too? Yes, 4.19 and 5.4 should probably get this too. They should apply with minimal effort, afaict. The only conf

Re: stable request

2021-03-18 Thread Ard Biesheuvel
On Thu, 18 Mar 2021 at 14:03, Sasha Levin wrote: > > On Tue, Mar 16, 2021 at 01:35:40PM +0100, Ard Biesheuvel wrote: > >On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: > >> > >> > >> Den 16.3.2021 kl. 14:15, skrev Thomas Backlund: > >> > > >> > Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel:

Re: stable request

2021-03-18 Thread Sasha Levin
On Tue, Mar 16, 2021 at 01:35:40PM +0100, Ard Biesheuvel wrote: On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: Den 16.3.2021 kl. 14:15, skrev Thomas Backlund: > > Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel: >> On Tue, 16 Mar 2021 at 10:21, Thomas Backlund wrote: >>> Den 16.3.2021 kl

Re: stable request

2021-03-16 Thread Ard Biesheuvel
On Tue, 16 Mar 2021 at 13:28, Thomas Backlund wrote: > > > Den 16.3.2021 kl. 14:15, skrev Thomas Backlund: > > > > Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel: > >> On Tue, 16 Mar 2021 at 10:21, Thomas Backlund wrote: > >>> Den 16.3.2021 kl. 08:37, skrev Ard Biesheuvel: > Please consider b

Re: stable request

2021-03-16 Thread Thomas Backlund
Den 16.3.2021 kl. 14:15, skrev Thomas Backlund: > > Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel: >> On Tue, 16 Mar 2021 at 10:21, Thomas Backlund wrote: >>> Den 16.3.2021 kl. 08:37, skrev Ard Biesheuvel: Please consider backporting commit 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1

Re: stable request

2021-03-16 Thread Thomas Backlund
Den 16.3.2021 kl. 12:17, skrev Ard Biesheuvel: > On Tue, 16 Mar 2021 at 10:21, Thomas Backlund wrote: >> Den 16.3.2021 kl. 08:37, skrev Ard Biesheuvel: >>> Please consider backporting commit >>> >>> 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 >>> crypto: x86/aes-ni-xts - use direct calls to and 4-w

Re: stable request

2021-03-16 Thread Ard Biesheuvel
On Tue, 16 Mar 2021 at 10:21, Thomas Backlund wrote: > > Den 16.3.2021 kl. 08:37, skrev Ard Biesheuvel: > > Please consider backporting commit > > > > 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 > > crypto: x86/aes-ni-xts - use direct calls to and 4-way stride > > > > to stable. It addresses a rather

Re: stable request

2021-03-16 Thread Thomas Backlund
Den 16.3.2021 kl. 08:37, skrev Ard Biesheuvel: > Please consider backporting commit > > 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 > crypto: x86/aes-ni-xts - use direct calls to and 4-way stride > > to stable. It addresses a rather substantial retpoline-related > performance regression in the AES-NI

stable request

2021-03-15 Thread Ard Biesheuvel
Please consider backporting commit 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 crypto: x86/aes-ni-xts - use direct calls to and 4-way stride to stable. It addresses a rather substantial retpoline-related performance regression in the AES-NI XTS code, which is a widely used disk encryption algorithm