diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2023-06-27 14:06:29 -0300 |
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committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-06-27 14:06:29 -0300 |
commit | 5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch) | |
tree | c81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /drivers/acpi/sleep.c | |
parent | 4251f631fdfba0b38e4634510c5950ee157cc069 (diff) | |
parent | 6995e2de6891c724bfeb2db33d7b87775f913ad1 (diff) |
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/20230622115246.365d30ad@canb.auug.org.au
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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(); |