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Revert "arm64: smp: avoid NMI IPIs with broken MediaTek FW"

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This reverts commit a07a594152.

This is no longer needed after the patch ("arm64: Move MediaTek GIC
quirk handling from irqchip to core).

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231107072651.v2.2.I2c5fa192e767eb3ee233bc28eb60e2f8656c29a6@changeid
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Douglas Anderson 2023-11-07 07:26:57 -08:00 committed by Catalin Marinas
parent 1d816ba168
commit 4bb49009e0
2 changed files with 2 additions and 5 deletions
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5
arch/arm64/kernel/smp.c
View File

@ -965,10 +965,7 @@ static void smp_cross_call(const struct cpumask *target, unsigned int ipinr)
static bool ipi_should_be_nmi(enum ipi_msg_type ipi)
{
DECLARE_STATIC_KEY_FALSE(supports_pseudo_nmis);
if (!system_uses_irq_prio_masking() ||
!static_branch_likely(&supports_pseudo_nmis))
if (!system_uses_irq_prio_masking())
return false;
switch (ipi) {

2
drivers/irqchip/irq-gic-v3.c
View File

@ -105,7 +105,7 @@ static DEFINE_STATIC_KEY_TRUE(supports_deactivate_key);
* - Figure 4-7 Secure read of the priority field for a Non-secure Group 1
* interrupt.
*/
DEFINE_STATIC_KEY_FALSE(supports_pseudo_nmis);
static DEFINE_STATIC_KEY_FALSE(supports_pseudo_nmis);
DEFINE_STATIC_KEY_FALSE(gic_nonsecure_priorities);
EXPORT_SYMBOL(gic_nonsecure_priorities);