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From: Stefano Garzarella <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], [email protected]
Subject: [PATCH liburing v2 4/5] man/io_uring_register.2: add IORING_CQ_EVENTFD_DISABLED description
Date: Wed, 20 May 2020 19:07:13 +0200	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Signed-off-by: Stefano Garzarella <[email protected]>
---
 man/io_uring_register.2 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/man/io_uring_register.2 b/man/io_uring_register.2
index e64f688..5022c03 100644
--- a/man/io_uring_register.2
+++ b/man/io_uring_register.2
@@ -168,6 +168,14 @@ must contain a pointer to the eventfd file descriptor, and
 .I nr_args
 must be 1. Available since 5.2.
 
+An application can temporarily disable notifications, coming through the
+registered eventfd, by setting the
+.B IORING_CQ_EVENTFD_DISABLED
+bit in the
+.I flags
+field of the CQ ring.
+Available since 5.8.
+
 .TP
 .B IORING_REGISTER_EVENTFD_ASYNC
 This works just like
-- 
2.25.4


  parent reply	other threads:[~2020-05-20 17:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20 17:07 [PATCH liburing v2 0/5] liburing: add helpers to enable/disable eventfd notifications Stefano Garzarella
2020-05-20 17:07 ` [PATCH liburing v2 1/5] Add CQ ring 'flags' field Stefano Garzarella
2020-05-20 17:07 ` [PATCH liburing v2 2/5] man/io_uring_setup.2: add 'flags' field in the struct io_cqring_offsets Stefano Garzarella
2020-05-20 17:07 ` [PATCH liburing v2 3/5] Add helpers to set and get eventfd notification status Stefano Garzarella
2020-05-20 17:07 ` Stefano Garzarella [this message]
2020-05-20 17:07 ` [PATCH liburing v2 5/5] Add test/eventfd-disable.c test case Stefano Garzarella
2020-05-20 17:12 ` [PATCH liburing v2 0/5] liburing: add helpers to enable/disable eventfd notifications Jens Axboe

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