linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Arnd Bergmann <arnd@arndb.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: y2038@lists.linaro.org, Arnd Bergmann <arnd@arndb.de>,
	Ingo Molnar <mingo@kernel.org>,
	Anna-Maria Gleixner <anna-maria@linutronix.de>,
	Deepa Dinamani <deepa.kernel@gmail.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] posix-timers: fix nanosleep_copyout() for CONFIG_COMPAT_32BIT_TIME
Date: Mon, 18 Jun 2018 16:07:59 +0200	[thread overview]
Message-ID: <20180618140811.2998503-1-arnd@arndb.de> (raw)

Commit b5793b0d92c9 ("posix-timers: Make compat syscalls depend on
CONFIG_COMPAT_32BIT_TIME") added support for building the nanosleep
compat system call on 32-bit architectures, but missed one change
in nanosleep_copyout(), which would trigger a BUG() as soon as we
switch any architecture over to use it.

This makes sure the TT_COMPAT handler is available when we need it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 kernel/time/hrtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 055a4a728c00..3e93c54bd3a1 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1659,7 +1659,7 @@ EXPORT_SYMBOL_GPL(hrtimer_init_sleeper);
 int nanosleep_copyout(struct restart_block *restart, struct timespec64 *ts)
 {
 	switch(restart->nanosleep.type) {
-#ifdef CONFIG_COMPAT
+#ifdef CONFIG_COMPAT_32BIT_TIME
 	case TT_COMPAT:
 		if (compat_put_timespec64(ts, restart->nanosleep.compat_rmtp))
 			return -EFAULT;
-- 
2.9.0


             reply	other threads:[~2018-06-18 14:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-18 14:07 Arnd Bergmann [this message]
2018-06-18 14:08 ` [PATCH 2/3] time: use ktime_get_real_seconds() in time syscall Arnd Bergmann
2018-06-19  8:00   ` [tip:timers/core] time: Use " tip-bot for Arnd Bergmann
2018-06-18 14:08 ` [PATCH 3/3] timekeeping: use ktime_get_real_ts64() instead of getnstimeofday64() Arnd Bergmann
2018-06-19  8:01   ` [tip:timers/core] timekeeping: Use " tip-bot for Arnd Bergmann
2018-06-19  7:27 ` [tip:timers/urgent] posix-timers: Fix nanosleep_copyout() for CONFIG_COMPAT_32BIT_TIME tip-bot for Arnd Bergmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180618140811.2998503-1-arnd@arndb.de \
    --to=arnd@arndb.de \
    --cc=anna-maria@linutronix.de \
    --cc=deepa.kernel@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=rafael.j.wysocki@intel.com \
    --cc=tglx@linutronix.de \
    --cc=y2038@lists.linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).