Re: [PATCH 0/2] crypto: x86/aes-ni-xts - recover and improve performance

2020-12-29 Thread Ard Biesheuvel
On Fri, 25 Dec 2020 at 20:14, Eric Biggers wrote: > > On Tue, Dec 22, 2020 at 05:06:27PM +0100, Ard Biesheuvel wrote: > > The AES-NI implementation of XTS was impacted significantly by the retpoline > > changes, which is due to the fact that both its asm helper and the chaining > > mode glue

Re: [PATCH 0/2] crypto: x86/aes-ni-xts - recover and improve performance

2020-12-25 Thread Eric Biggers
On Tue, Dec 22, 2020 at 05:06:27PM +0100, Ard Biesheuvel wrote: > The AES-NI implementation of XTS was impacted significantly by the retpoline > changes, which is due to the fact that both its asm helper and the chaining > mode glue library use indirect calls for processing small quantitities of >

[PATCH 0/2] crypto: x86/aes-ni-xts - recover and improve performance

2020-12-22 Thread Ard Biesheuvel
The AES-NI implementation of XTS was impacted significantly by the retpoline changes, which is due to the fact that both its asm helper and the chaining mode glue library use indirect calls for processing small quantitities of data So let's fix this, by: - creating a minimal, backportable fix