git: 26b3ff1f5c4b - main - Ignore LINUX_POLLREMOVE

From: Maxim Sobolev <sobomax_at_FreeBSD.org>
Date: Tue, 22 Sep 2026 18:38:17 UTC
The branch main has been updated by sobomax:

URL: https://cgit.FreeBSD.org/src/commit/?id=26b3ff1f5c4bb1c4c311638e92b229cbc94a44ec

commit 26b3ff1f5c4bb1c4c311638e92b229cbc94a44ec
Author:     Maxim Sobolev <sobomax@FreeBSD.org>
AuthorDate: 2026-09-22 18:37:52 +0000
Commit:     Maxim Sobolev <sobomax@FreeBSD.org>
CommitDate: 2026-09-22 18:37:52 +0000

    Ignore LINUX_POLLREMOVE
    
    This matches upstream behaviour since Linux's demangle_poll()
    silently discards POLLREMOVE from the requested events.
    
    Reviewed by:    emaste
    Sponsored by:   Sippy Software, Inc.
    Differential Revision:  https://reviews.freebsd.org/D59914
    MFC after:      1 week
    PR:             297467
---
 sys/compat/linux/linux.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/compat/linux/linux.c b/sys/compat/linux/linux.c
index da2f641bb791..464acb245a5d 100644
--- a/sys/compat/linux/linux.c
+++ b/sys/compat/linux/linux.c
@@ -581,8 +581,10 @@ linux_to_bsd_poll_events(struct thread *td, int fd, short lev,
 
 	if (lev & LINUX_POLLMSG)
 		LINUX_RATELIMIT_MSG_OPT1("unsupported POLLMSG, events(%d)", lev);
-	if (lev & LINUX_POLLREMOVE)
-		LINUX_RATELIMIT_MSG_OPT1("unsupported POLLREMOVE, events(%d)", lev);
+	/*
+	 * Ignore LINUX_POLLREMOVE, as Linux's demangle_poll() silently
+	 * discards POLLREMOVE from the requested events.
+	 */
 
 	*bev = bits;
 }