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

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 Greg Kroah-Hartman
parent fa40bb3a5f
commit f851e4f402

View file

@ -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;
}