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ARM: 9213/1: Print message about disabled Spectre workarounds only once

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commit e4ced82deb upstream.

Print the message about disabled Spectre workarounds only once. The
message is printed each time CPU goes out from idling state on NVIDIA
Tegra boards, causing storm in KMSG that makes system unusable.

Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Osipenko 2022-06-28 08:55:45 +01:00 • committed by Justin Hammond
parent 5de01a1a93
commit df3ff554d8
1 changed files with 1 additions and 2 deletions
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3
arch/arm/mm/proc-v7-bugs.c
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@ -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;
}