diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
| commit | 49ab19a4a51a31cb06992386cec4be82ebca5a2d (patch) | |
| tree | de7d31ec7ded2c8ab8dbdfe5a55fa283068023d0 /arch/x86/xen/spinlock.c | |
| parent | b0dfd948379c79b8754e224e29b99d30ce0d79b8 (diff) | |
| parent | 3b25f337929e73232f0aa990cd68a129f53652e2 (diff) | |
Merge series "spi: spi-geni-qcom: Use gpio descriptors for CS" from Stephen Boyd <swboyd@chromium.org>:
Collected patches from the two series below and associated tags so they
can be merged in one pile through the spi tree. Merry December!
SPI: https://lore.kernel.org/r/20201202214935.1114381-1-swboyd@chromium.org
cros-ec: https://lore.kernel.org/r/20201203011649.1405292-1-swboyd@chromium.org
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Alexandru M Stan <amstan@chromium.org>
Stephen Boyd (3):
platform/chrome: cros_ec_spi: Don't overwrite spi::mode
platform/chrome: cros_ec_spi: Drop bits_per_word assignment
spi: spi-geni-qcom: Use the new method of gpio CS control
drivers/platform/chrome/cros_ec_spi.c | 2 --
drivers/spi/spi-geni-qcom.c | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
base-commit: b65054597872ce3aefbc6a666385eabdf9e288da
--
https://chromeos.dev
Diffstat (limited to 'arch/x86/xen/spinlock.c')
| -rw-r--r-- | arch/x86/xen/spinlock.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 799f4eba0a62..043c73dfd2c9 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -93,10 +93,20 @@ void xen_init_lock_cpu(int cpu) void xen_uninit_lock_cpu(int cpu) { + int irq; + if (!xen_pvspin) return; - unbind_from_irqhandler(per_cpu(lock_kicker_irq, cpu), NULL); + /* + * When booting the kernel with 'mitigations=auto,nosmt', the secondary + * CPUs are not activated, and lock_kicker_irq is not initialized. + */ + irq = per_cpu(lock_kicker_irq, cpu); + if (irq == -1) + return; + + unbind_from_irqhandler(irq, NULL); per_cpu(lock_kicker_irq, cpu) = -1; kfree(per_cpu(irq_name, cpu)); per_cpu(irq_name, cpu) = NULL; |