netdev - [PATCH v13 02/13] eventfd: Export eventfd_wake

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 31 Aug 2021 18:36:23 +0800
From:   Xie Yongji <xieyongji@...edance.com>
To:     mst@...hat.com, jasowang@...hat.com, stefanha@...hat.com,
        sgarzare@...hat.com, parav@...dia.com, hch@...radead.org,
        christian.brauner@...onical.com, rdunlap@...radead.org,
        willy@...radead.org, viro@...iv.linux.org.uk, axboe@...nel.dk,
        bcrl@...ck.org, corbet@....net, mika.penttila@...tfour.com,
        dan.carpenter@...cle.com, joro@...tes.org,
        gregkh@...uxfoundation.org, zhe.he@...driver.com,
        xiaodong.liu@...el.com, joe@...ches.com, robin.murphy@....com,
        will@...nel.org, john.garry@...wei.com
Cc:     songmuchun@...edance.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH v13 02/13] eventfd: Export eventfd_wake_count to modules

Export eventfd_wake_count so that some modules can use
the eventfd_signal_count() to check whether the
eventfd_signal() call should be deferred to a safe context.

Signed-off-by: Xie Yongji <xieyongji@...edance.com>
---
 fs/eventfd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/eventfd.c b/fs/eventfd.c
index e265b6dd4f34..1b3130b8d6c1 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -26,6 +26,7 @@
 #include <linux/uio.h>
 
 DEFINE_PER_CPU(int, eventfd_wake_count);
+EXPORT_PER_CPU_SYMBOL_GPL(eventfd_wake_count);
 
 static DEFINE_IDA(eventfd_ida);
 
-- 
2.11.0