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authorLinus Torvalds <torvalds@linux-foundation.org>2026-03-13 14:18:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-03-13 14:18:13 -0700
commit8d9968859cf4efabf39b4c22eacdb990e5f7178e (patch)
tree39a3283af0d182bccd5007036313ed48d8eee982 /arch
parent2c361c9b7f452cf5331fe0d1230ab23c374a1fd2 (diff)
parent598bbefa8032cc58b564a81d1ad68bd815c8dc0f (diff)
Merge tag 's390-7.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik: - Revert IRQ entry/exit path optimization that incorrectly cleared some PSW bits before irqentry_exit(), causing boot failures with linux-next and HRTIMER_REARM_DEFERRED (which only uncovered the problem) - Fix zcrypt code to show CCA card serial numbers even when the default crypto domain is offline by selecting any domain available, preventing empty sysfs entries * tag 's390-7.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/zcrypt: Enable AUTOSEL_DOM for CCA serialnr sysfs attribute s390: Revert "s390/irq/idle: Remove psw bits early"
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kernel/irq.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 7fdf960191d3..d10a17e6531d 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -147,10 +147,8 @@ void noinstr do_io_irq(struct pt_regs *regs)
bool from_idle;
from_idle = test_and_clear_cpu_flag(CIF_ENABLED_WAIT);
- if (from_idle) {
+ if (from_idle)
update_timer_idle();
- regs->psw.mask &= ~(PSW_MASK_EXT | PSW_MASK_IO | PSW_MASK_WAIT);
- }
irq_enter_rcu();
@@ -176,6 +174,9 @@ void noinstr do_io_irq(struct pt_regs *regs)
set_irq_regs(old_regs);
irqentry_exit(regs, state);
+
+ if (from_idle)
+ regs->psw.mask &= ~(PSW_MASK_EXT | PSW_MASK_IO | PSW_MASK_WAIT);
}
void noinstr do_ext_irq(struct pt_regs *regs)
@@ -185,10 +186,8 @@ void noinstr do_ext_irq(struct pt_regs *regs)
bool from_idle;
from_idle = test_and_clear_cpu_flag(CIF_ENABLED_WAIT);
- if (from_idle) {
+ if (from_idle)
update_timer_idle();
- regs->psw.mask &= ~(PSW_MASK_EXT | PSW_MASK_IO | PSW_MASK_WAIT);
- }
irq_enter_rcu();
@@ -210,6 +209,9 @@ void noinstr do_ext_irq(struct pt_regs *regs)
irq_exit_rcu();
set_irq_regs(old_regs);
irqentry_exit(regs, state);
+
+ if (from_idle)
+ regs->psw.mask &= ~(PSW_MASK_EXT | PSW_MASK_IO | PSW_MASK_WAIT);
}
static void show_msi_interrupt(struct seq_file *p, int irq)