| Message ID | 20240911032740.2899777-2-aaron.ma@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | Disable CONFIG_TCG_TPM2_HMAC to avoid performance loss after v6.10 | expand |
Aaron Ma kirjoitti 11.9.2024 klo 6.27: > BugLink: https://bugs.launchpad.net/bugs/2080322 > > v6.10-rc1 introduce encryption overhead to all kernel to TPM > transactions, but it has regressions about significant delays > at bootup and performance loss when extending a TPM PCR. > > Disable it by default until there is a real fix. > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=219229 > Link: https://lore.kernel.org/regressions/0b4a5a86-a9f6-42d1-a9ba-ec565b336d3a@leemhuis.info/ > Signed-off-by: Aaron Ma <aaron.ma@canonical.com> > --- > debian.master/config/annotations | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/debian.master/config/annotations b/debian.master/config/annotations > index acb82f584f16..cb610de1bfef 100644 > --- a/debian.master/config/annotations > +++ b/debian.master/config/annotations > @@ -13921,7 +13921,7 @@ CONFIG_TCG_TIS_ST33ZP24 policy<{'amd64': 'm', 'arm64': ' > CONFIG_TCG_TIS_ST33ZP24_I2C policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'n'}> > CONFIG_TCG_TIS_ST33ZP24_SPI policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': '-'}> > CONFIG_TCG_TIS_SYNQUACER policy<{'arm64': 'm'}> > -CONFIG_TCG_TPM2_HMAC policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'ppc64el': 'y', 'riscv64': 'y', 's390x': 'y'}> > +CONFIG_TCG_TPM2_HMAC policy<{'amd64': 'n', 'arm64': 'n', 'armhf': 'n', 'ppc64el': 'n', 'riscv64': 'n', 's390x': 'n'}> > CONFIG_TCG_VTPM_PROXY policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'm'}> > CONFIG_TCG_XEN policy<{'amd64': 'm', 'arm64': 'm', 'armhf': '-'}> > CONFIG_TCM_FC policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'm'}> thanks for tracking this down, applied
diff --git a/debian.master/config/annotations b/debian.master/config/annotations index acb82f584f16..cb610de1bfef 100644 --- a/debian.master/config/annotations +++ b/debian.master/config/annotations @@ -13921,7 +13921,7 @@ CONFIG_TCG_TIS_ST33ZP24 policy<{'amd64': 'm', 'arm64': ' CONFIG_TCG_TIS_ST33ZP24_I2C policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'n'}> CONFIG_TCG_TIS_ST33ZP24_SPI policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': '-'}> CONFIG_TCG_TIS_SYNQUACER policy<{'arm64': 'm'}> -CONFIG_TCG_TPM2_HMAC policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'ppc64el': 'y', 'riscv64': 'y', 's390x': 'y'}> +CONFIG_TCG_TPM2_HMAC policy<{'amd64': 'n', 'arm64': 'n', 'armhf': 'n', 'ppc64el': 'n', 'riscv64': 'n', 's390x': 'n'}> CONFIG_TCG_VTPM_PROXY policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'm'}> CONFIG_TCG_XEN policy<{'amd64': 'm', 'arm64': 'm', 'armhf': '-'}> CONFIG_TCM_FC policy<{'amd64': 'm', 'arm64': 'm', 'armhf': 'm', 'ppc64el': 'm', 'riscv64': 'm', 's390x': 'm'}>
BugLink: https://bugs.launchpad.net/bugs/2080322 v6.10-rc1 introduce encryption overhead to all kernel to TPM transactions, but it has regressions about significant delays at bootup and performance loss when extending a TPM PCR. Disable it by default until there is a real fix. Link: https://bugzilla.kernel.org/show_bug.cgi?id=219229 Link: https://lore.kernel.org/regressions/0b4a5a86-a9f6-42d1-a9ba-ec565b336d3a@leemhuis.info/ Signed-off-by: Aaron Ma <aaron.ma@canonical.com> --- debian.master/config/annotations | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)