Date: Wed, 9 Apr 2025 07:37:42 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 99332926f6fc - main - amd64: also limit printings of EFIRT page faults Message-ID: <202504090737.5397bg6w036627@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=99332926f6fc6d1e4bb850a2b26744b948b14014 commit 99332926f6fc6d1e4bb850a2b26744b948b14014 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2025-04-09 07:35:56 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2025-04-09 07:35:56 +0000 amd64: also limit printings of EFIRT page faults Fixes: fd748c7d5b7aefbeda604403f203637b12ae89df Sponsored by: The FreeBSD Foundation PR: 285797 MFC after: 1 week --- sys/amd64/amd64/trap.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c index 1041422b9f92..a400b8a2c022 100644 --- a/sys/amd64/amd64/trap.c +++ b/sys/amd64/amd64/trap.c @@ -869,8 +869,13 @@ after_vmfault: if (td->td_intr_nesting_level == 0 && curpcb->pcb_onfault != NULL) { if ((td->td_pflags & TDP_EFIRT) != 0) { - trap_diag(frame, eva); - printf("EFI RT page fault\n"); + u_long cnt = atomic_fetchadd_long(&cnt_efirt_faults, 1); + + if ((print_efirt_faults == 1 && cnt == 1) || + print_efirt_faults == 2) { + trap_diag(frame, eva); + printf("EFI RT page fault\n"); + } } frame->tf_rip = (long)curpcb->pcb_onfault; return (0);
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