linux-kernel - [PATCH] xen/time: Return -ENODEV from xen_get

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-next>] [day] [month] [year] [list]

Message-Id: <1509661083-26679-1-git-send-email-boris.ostrovsky@oracle.com>
Date:   Thu,  2 Nov 2017 18:18:03 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org
Cc:     jgross@...e.com, pbonzini@...hat.com,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: [PATCH] xen/time: Return -ENODEV from xen_get_wallclock()

For any other error sync_cmos_clock() will reschedule itself
every second or so, for no good reason.

Suggested-by: Paolo Bonzini <pbonzini@...hat.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
---
 arch/x86/xen/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 1ecb05d..244791f 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -74,7 +74,7 @@ static void xen_get_wallclock(struct timespec *now)
 
 static int xen_set_wallclock(const struct timespec *now)
 {
-	return -1;
+	return -ENODEV;
 }
 
 static int xen_pvclock_gtod_notify(struct notifier_block *nb,
-- 
2.7.5