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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772007242; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=71PvqljC8jrcUr+AnYkZa4bsSGBsKYrIu/Noafc+YSg=; b=GZzdh6LB5igU5chUEJrjbZAgqB0uWF2Sll6pUtXzrCP+644yc5YyVgTSzf8K4QWeEshYGe EgtuRVW5vO507cnV3+s/GHBbKwtxXgbbXKIL0BHJyrJex5jRbBXmVZ7tYQ+lJPpMqqlDhJ eyIW5eaQqE42TmZdcxdrcoLeu0RA6kI= X-MC-Unique: _uU6tOYGOs-7poSEx_II9A-1 X-Mimecast-MFC-AGG-ID: _uU6tOYGOs-7poSEx_II9A_1772007237 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , qemu-block@nongnu.org, Kevin Wolf , Fam Zheng , Jens Axboe Subject: [PATCH v2 4/4] aio-posix: enable IORING_SETUP_NO_SQARRAY Date: Wed, 25 Feb 2026 16:13:36 +0800 Message-ID: <20260225081336.1639325-5-stefanha@redhat.com> In-Reply-To: <20260225081336.1639325-1-stefanha@redhat.com> References: <20260225081336.1639325-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" This simplifies SQ ring processing and saves CPU cycles. A big improvement is not expected, but it doesn't hurt to enable this flag. Signed-off-by: Stefan Hajnoczi --- util/fdmon-io_uring.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/util/fdmon-io_uring.c b/util/fdmon-io_uring.c index 2e2c0e6785..99c4932937 100644 --- a/util/fdmon-io_uring.c +++ b/util/fdmon-io_uring.c @@ -469,6 +469,9 @@ bool fdmon_io_uring_setup(AioContext *ctx, Error **errp) #endif #ifdef IORING_SETUP_TASKRUN_FLAG IORING_SETUP_TASKRUN_FLAG | +#endif +#ifdef IORING_SETUP_NO_SQARRAY + IORING_SETUP_NO_SQARRAY | #endif 0; int ret; --=20 2.53.0