diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2022-05-05 22:09:35 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-05-05 22:09:35 +1000 |
| commit | d0a31acc34dc2921ad32a67a7534704114e64f82 (patch) | |
| tree | 2b77d8d61170c5f9633c49eaddd67dca5bb9c38f /arch/powerpc/kernel/time.c | |
| parent | f06351f8c0c85e2d53e73c53a33b4ef55b4ad6de (diff) | |
| parent | af2d861d4cd2a4da5137f795ee3509e6f944a25b (diff) | |
Merge tag 'v5.18-rc4' into next
Merge master into next, to bring in commit 5f24d5a579d1 ("mm, hugetlb:
allow for "high" userspace addresses"), which is needed as a
prerequisite for the series converting powerpc to the generic mmap
logic.
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index caeb481a8dea..6d97f9e586f0 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -614,23 +614,22 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt) return; } - /* Conditionally hard-enable interrupts. */ - if (should_hard_irq_enable()) { - /* - * Ensure a positive value is written to the decrementer, or - * else some CPUs will continue to take decrementer exceptions. - * When the PPC_WATCHDOG (decrementer based) is configured, - * keep this at most 31 bits, which is about 4 seconds on most - * systems, which gives the watchdog a chance of catching timer - * interrupt hard lockups. - */ - if (IS_ENABLED(CONFIG_PPC_WATCHDOG)) - set_dec(0x7fffffff); - else - set_dec(decrementer_max); + /* + * Ensure a positive value is written to the decrementer, or + * else some CPUs will continue to take decrementer exceptions. + * When the PPC_WATCHDOG (decrementer based) is configured, + * keep this at most 31 bits, which is about 4 seconds on most + * systems, which gives the watchdog a chance of catching timer + * interrupt hard lockups. + */ + if (IS_ENABLED(CONFIG_PPC_WATCHDOG)) + set_dec(0x7fffffff); + else + set_dec(decrementer_max); + /* Conditionally hard-enable interrupts. */ + if (should_hard_irq_enable()) do_hard_irq_enable(); - } #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) if (atomic_read(&ppc_n_lost_interrupts) != 0) |