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 XTS code, which is a widely used > disk encryption algorithm on x86. > To get all the nice bits, we added the following in Mageia 5.10 / 5.11 series kerenels (the 2 first is needed to get the third to apply/build nicely): applied in this order: From 032d049ea0f45b45c21f3f02b542aa18bc6b6428 Mon Sep 17 00:00:00 2001 From: Uros Bizjak <ubizjak@xxxxxxxxx> Date: Fri, 27 Nov 2020 10:44:52 +0100 Subject: [PATCH] crypto: aesni - Use TEST %reg,%reg instead of CMP $0,%reg From ddf169a98f01d6fd46295ec0dd4c1d6385be65d4 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel <ardb@xxxxxxxxxx> Date: Tue, 8 Dec 2020 00:34:02 +0100 Subject: [PATCH] crypto: aesni - implement support for cts(cbc(aes)) From 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel <ardb@xxxxxxxxxx> Date: Thu, 31 Dec 2020 17:41:54 +0100 Subject: [PATCH] crypto: x86/aes-ni-xts - use direct calls to and 4-way stride From 2481104fe98d5b016fdd95d649b1235f21e491ba Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel <ardb@xxxxxxxxxx> Date: Thu, 31 Dec 2020 17:41:55 +0100 Subject: [PATCH] crypto: x86/aes-ni-xts - rewrite and drop indirections via glue helper -- Thomas
