Messages in this thread | | | Date | Tue, 28 Jun 2022 10:23:06 +0300 | Subject | Re: [PATCH v1] ARM: Silence proc-v7-bugs.c spam about disabled Spectre workarounds | From | Dmitry Osipenko <> |
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On 5/19/22 19:13, Dmitry Osipenko wrote: > Print message about disabled Spectre workarounds only once to stop > endless spam into KSMG each time CPU goes out from idling state. > This spam makes system unusable with CONFIG_HARDEN_BRANCH_PREDICTOR=n > for those who don't care about security and wants maximum performance. > > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> > --- > arch/arm/mm/proc-v7-bugs.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c > index fb9f3eb6bf48..f9730eba0632 100644 > --- a/arch/arm/mm/proc-v7-bugs.c > +++ b/arch/arm/mm/proc-v7-bugs.c > @@ -108,8 +108,7 @@ static unsigned int spectre_v2_install_workaround(unsigned int method) > #else > static unsigned int spectre_v2_install_workaround(unsigned int method) > { > - pr_info("CPU%u: Spectre V2: workarounds disabled by configuration\n", > - smp_processor_id()); > + pr_info_once("Spectre V2: workarounds disabled by configuration\n"); > > return SPECTRE_VULNERABLE; > }
Hello Russell,
Could you please apply this patch? I tried to use yours patch tracker today and it doesn't allow me to recover my password (server error: MAIL FROM command failed Detail: Space shortage).
Thanks!
-- Best regards, Dmitry
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