Date: Wed, 16 Apr 2025 01:39:08 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: ab259b19bd81 - stable/14 - amd64: also limit printings of EFIRT page faults Message-ID: <202504160139.53G1d8xE019968@gitrepo.freebsd.org>
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The branch stable/14 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=ab259b19bd8105d779ec79a0cc00cf7f1feaf434 commit ab259b19bd8105d779ec79a0cc00cf7f1feaf434 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2025-04-09 07:35:56 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2025-04-16 01:38:33 +0000 amd64: also limit printings of EFIRT page faults PR: 285797 (cherry picked from commit 99332926f6fc6d1e4bb850a2b26744b948b14014) --- 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 692491ecfc5a..1877aedee17a 100644 --- a/sys/amd64/amd64/trap.c +++ b/sys/amd64/amd64/trap.c @@ -895,8 +895,13 @@ after_vmfault: if (td->td_intr_nesting_level == 0 && curpcb->pcb_onfault != NULL) { if ((td->td_pflags2 & TDP2_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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