diff options
| author | Jason Gunthorpe <[email protected]> | 2023-06-27 17:06:29 +0000 |
|---|---|---|
| committer | Jason Gunthorpe <[email protected]> | 2023-06-27 17:06:29 +0000 |
| commit | 5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch) | |
| tree | c81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /drivers/acpi/sleep.c | |
| parent | RDMA/bnxt_re: Fix an IS_ERR() vs NULL check (diff) | |
| parent | Linux 6.4 (diff) | |
| download | kernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.tar.gz kernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.zip | |
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4
Resolve conflicts between rdma rc and next in rxe_cq matching linux-next:
drivers/infiniband/sw/rxe/rxe_cq.c:
https://lore.kernel.org/r/[email protected]
Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 72470b9f16c4..f32570f72b90 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -636,11 +636,19 @@ static int acpi_suspend_enter(suspend_state_t pm_state) } /* - * Disable and clear GPE status before interrupt is enabled. Some GPEs - * (like wakeup GPE) haven't handler, this can avoid such GPE misfire. - * acpi_leave_sleep_state will reenable specific GPEs later + * Disable all GPE and clear their status bits before interrupts are + * enabled. Some GPEs (like wakeup GPEs) have no handlers and this can + * prevent them from producing spurious interrups. + * + * acpi_leave_sleep_state() will reenable specific GPEs later. + * + * Because this code runs on one CPU with disabled interrupts (all of + * the other CPUs are offline at this time), it need not acquire any + * sleeping locks which may trigger an implicit preemption point even + * if there is no contention, so avoid doing that by using a low-level + * library routine here. */ - acpi_disable_all_gpes(); + acpi_hw_disable_all_gpes(); /* Allow EC transactions to happen. */ acpi_ec_unblock_transactions(); |
