6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
[ Upstream commit 8d187a77f04c14fb459a5301d69f733a5a1396bc ]
Commit 1b57d91b969c ("irqchip/gic-v2, v3: Prevent SW resends entirely")
sett the flag which enforces interrupt handling in interrupt context and
prevents software base resends for ARM GIC v2/v3.
But it missed that the helper function which checks the flag was hidden
behind CONFIG_GENERIC_PENDING_IRQ, which is not set by ARM[64].
Make the helper unconditionally available so that the enforcement actually
works.
Fixes: 1b57d91b969c ("irqchip/gic-v2, v3: Prevent SW resends entirely")
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20241210101811.497716609@xxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
kernel/irq/internals.h | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index bcc7f21db9eeb..fbeecc608f54c 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -434,10 +434,6 @@ static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
{
return desc->pending_mask;
}
-static inline bool handle_enforce_irqctx(struct irq_data *data)
-{
- return irqd_is_handle_enforce_irqctx(data);
-}
bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear);
#else /* CONFIG_GENERIC_PENDING_IRQ */
static inline bool irq_can_move_pcntxt(struct irq_data *data)
@@ -464,11 +460,12 @@ static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
{
return false;
}
+#endif /* !CONFIG_GENERIC_PENDING_IRQ */
+
static inline bool handle_enforce_irqctx(struct irq_data *data)
{
- return false;
+ return irqd_is_handle_enforce_irqctx(data);
}
-#endif /* !CONFIG_GENERIC_PENDING_IRQ */
#if !defined(CONFIG_IRQ_DOMAIN) || !defined(CONFIG_IRQ_DOMAIN_HIERARCHY)
static inline int irq_domain_activate_irq(struct irq_data *data, bool reserve)
--
2.39.5
