Date: Thu, 16 Feb 2023 11:55:41 GMT From: =?utf-8?Q?Jean-S=C3=A9bastien=20P=C3=A9dron?= <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 78c7537d5636 - stable/13 - linuxkpi: Define `synchronize_hardirq()` Message-ID: <202302161155.31GBtfBF054936@gitrepo.freebsd.org>
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The branch stable/13 has been updated by dumbbell (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=78c7537d56362d7db2fe2ec9f27faf331e88a20b commit 78c7537d56362d7db2fe2ec9f27faf331e88a20b Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2023-01-11 00:27:40 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2023-02-16 11:55:11 +0000 linuxkpi: Define `synchronize_hardirq()` It currently does the same as `synchronize_irq()`. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D38079 (cherry picked from commit a609ed795943673074b71aeafafabe46d08f1a6d) --- sys/compat/linuxkpi/common/include/linux/hardirq.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/hardirq.h b/sys/compat/linuxkpi/common/include/linux/hardirq.h index 07f00f076860..9e7baec1b213 100644 --- a/sys/compat/linuxkpi/common/include/linux/hardirq.h +++ b/sys/compat/linuxkpi/common/include/linux/hardirq.h @@ -40,4 +40,14 @@ #define synchronize_irq(irq) _intr_drain((irq)) +/* + * FIXME: In the i915 driver's `intel_engine_cs.c` file, + * `synchronize_hardirq()` was replaced by `synchronize_rcu()` with the + * following comment: + * "Is it enough to wait that all cpu have context-switched?" + * + * See commit f6d50b7af554e21c380486d6f41c8537b265c777 in drm-kmod. + */ +#define synchronize_hardirq(irq) _intr_drain((irq)) + #endif /* _LINUXKPI_LINUX_HARDIRQ_H_ */
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