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Groups > linux.kernel > #1622467
| From | Matthias Kaehlcke <mka@chromium.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 2/2] kernel/irq: Use cpumask_available() for check of cpumask variable |
| Date | 2017-04-12 20:30 +0200 |
| Message-ID | <tvvbI-7UV-31@gated-at.bofh.it> (permalink) |
| References | <tvvbI-7UV-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This fixes the following clang warning when CONFIG_CPUMASK_OFFSTACK=y: kernel/irq/manage.c:839:28: error: address of array 'desc->irq_common_data.affinity' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] Signed-off-by: Matthias Kaehlcke <mka@chromium.org> --- Changes in v2: - Use cpumask_available() instead if #ifdef construct kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index a4afe5cc5af1..155e3c3357a1 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -852,7 +852,7 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) * This code is triggered unconditionally. Check the affinity * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out. */ - if (desc->irq_common_data.affinity) + if (cpumask_available(desc->irq_common_data.affinity)) cpumask_copy(mask, desc->irq_common_data.affinity); else valid = false; -- 2.12.2.715.g7642488e1d-goog
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[PATCH v2 1/2] cpumask: Add helper cpumask_available() Matthias Kaehlcke <mka@chromium.org> - 2017-04-12 20:30 +0200
[PATCH v2 2/2] kernel/irq: Use cpumask_available() for check of cpumask variable Matthias Kaehlcke <mka@chromium.org> - 2017-04-12 20:30 +0200
Re: [PATCH v2 2/2] kernel/irq: Use cpumask_available() for check of cpumask variable Thomas Gleixner <tglx@linutronix.de> - 2017-04-14 20:00 +0200
[tip:irq/core] kernel/irq: Use cpumask_available() for check of cpumask variable tip-bot for Matthias Kaehlcke <tipbot@zytor.com> - 2017-04-14 20:00 +0200
[tip:irq/core] genirq: Use cpumask_available() for check of cpumask variable tip-bot for Matthias Kaehlcke <tipbot@zytor.com> - 2017-04-14 21:00 +0200
[tip:irq/core] cpumask: Add helper cpumask_available() tip-bot for Matthias Kaehlcke <tipbot@zytor.com> - 2017-04-14 20:00 +0200
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