Message ID | 20240202212219.200147-1-kevin.becker@canonical.com |
---|---|
Headers | show |
Series | arm64: pauth: don't sign leaf functions | expand |
On 2/2/24 2:22 PM, Kevin Becker wrote: > BugLink: https://bugs.launchpad.net/bugs/2043811 > > [Impact] > > Amazon sent the following request: From our experiments, we found that not > signing leaf functions on AWS arm64 Graviton instances helps improve > application performance. We would like to have the patch > https://github.com/torvalds/linux/commit/c68cf5285e1896a2b725ec01a1351f08610165b8 > backported to Ubuntu 5.15 AWS kernels. We saw some of these performance > improvements: NGINX 1%, MySQL 2%, PyTorch 2% > > [Test Plan] > > Amazon has tested on AWS. > > [Regression Potential] > > Arm64 binaries may not work correctly. > > [Other Info] > > SF: #00372369 > > Kevin Becker (1): > arm64: pauth: don't sign leaf functions > > arch/arm64/Makefile | 22 ++++++++-------------- > 1 file changed, 8 insertions(+), 14 deletions(-) > Acked-by: Tim Gardner <tim.gardner@canonical.com>
On Fri, Feb 02, 2024 at 04:22:18PM -0500, Kevin Becker wrote: > BugLink: https://bugs.launchpad.net/bugs/2043811 > > [Impact] > > Amazon sent the following request: From our experiments, we found that not > signing leaf functions on AWS arm64 Graviton instances helps improve > application performance. We would like to have the patch > https://github.com/torvalds/linux/commit/c68cf5285e1896a2b725ec01a1351f08610165b8 > backported to Ubuntu 5.15 AWS kernels. We saw some of these performance > improvements: NGINX 1%, MySQL 2%, PyTorch 2% > > [Test Plan] > > Amazon has tested on AWS. > > [Regression Potential] > > Arm64 binaries may not work correctly. > > [Other Info] > > SF: #00372369 > > Kevin Becker (1): > arm64: pauth: don't sign leaf functions > > arch/arm64/Makefile | 22 ++++++++-------------- > 1 file changed, 8 insertions(+), 14 deletions(-) > > -- > 2.40.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team The LP bug targets Lunar, I think this needs to be changed to Jammy. Acked-by: Manuel Diewald <manuel.diewald@canonical.com>
On 2/2/24 2:22 PM, Kevin Becker wrote: > BugLink: https://bugs.launchpad.net/bugs/2043811 > > [Impact] > > Amazon sent the following request: From our experiments, we found that not > signing leaf functions on AWS arm64 Graviton instances helps improve > application performance. We would like to have the patch > https://github.com/torvalds/linux/commit/c68cf5285e1896a2b725ec01a1351f08610165b8 > backported to Ubuntu 5.15 AWS kernels. We saw some of these performance > improvements: NGINX 1%, MySQL 2%, PyTorch 2% > > [Test Plan] > > Amazon has tested on AWS. > > [Regression Potential] > > Arm64 binaries may not work correctly. > > [Other Info] > > SF: #00372369 > > Kevin Becker (1): > arm64: pauth: don't sign leaf functions > > arch/arm64/Makefile | 22 ++++++++-------------- > 1 file changed, 8 insertions(+), 14 deletions(-) > Applied to jammy linux-aws:master-next. Thanks. -rtg