Date: Tue, 13 Jan 2026 22:43:10 +0000 From: Aymeric Wibo <obiwac@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 38f941deb6fa - main - x86: Add intr_enable_src() Message-ID: <6966ca7e.33dd7.1b186e7f@gitrepo.freebsd.org>
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The branch main has been updated by obiwac: URL: https://cgit.FreeBSD.org/src/commit/?id=38f941deb6faa0c22ffd5bf2f848c62dc6fce434 commit 38f941deb6faa0c22ffd5bf2f848c62dc6fce434 Author: Aymeric Wibo <obiwac@FreeBSD.org> AuthorDate: 2026-01-13 22:15:55 +0000 Commit: Aymeric Wibo <obiwac@FreeBSD.org> CommitDate: 2026-01-13 22:21:05 +0000 x86: Add intr_enable_src() Function to enable specific IRQ source. This will be used by the s2idle code to enable just SCIs on x86 to break the CPU out of idle. Reviewed by: olce Approved by: olce Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D48734 --- sys/x86/include/intr_machdep.h | 1 + sys/x86/x86/intr_machdep.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/sys/x86/include/intr_machdep.h b/sys/x86/include/intr_machdep.h index 497c89b0a7eb..6d6b1962b6bd 100644 --- a/sys/x86/include/intr_machdep.h +++ b/sys/x86/include/intr_machdep.h @@ -151,6 +151,7 @@ int intr_register_source(struct intsrc *isrc); int intr_remove_handler(void *cookie); void intr_resume(bool suspend_cancelled); void intr_suspend(void); +void intr_enable_src(u_int irq); void intr_reprogram(void); void intrcnt_add(const char *name, u_long **countp); void nexus_add_irq(u_long irq); diff --git a/sys/x86/x86/intr_machdep.c b/sys/x86/x86/intr_machdep.c index a16d2ced8dba..7e57c97a7291 100644 --- a/sys/x86/x86/intr_machdep.c +++ b/sys/x86/x86/intr_machdep.c @@ -405,6 +405,15 @@ intr_suspend(void) mtx_unlock(&intrpic_lock); } +void +intr_enable_src(u_int irq) +{ + struct intsrc *is; + + is = interrupt_sources[irq]; + is->is_pic->pic_enable_source(is); +} + static int intr_assign_cpu(void *arg, int cpu) {home | help
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