Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1553486

[PATCH 4.8 26/96] drm/nouveau/ltc: protect clearing of comptags with mutex

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.8 26/96] drm/nouveau/ltc: protect clearing of comptags with mutex
Date 2017-01-07 00:10 +0100
Message-ID <sWLO3-sV-65@gated-at.bofh.it> (permalink)
References <sWKyC-7RC-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@redhat.com>

commit f4e65efc88b64c1dbca275d42a188edccedb56c6 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
@@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc
 
 	BUG_ON((first > limit) || (limit >= ltc->num_tags));
 
+	mutex_lock(&ltc->subdev.mutex);
 	ltc->func->cbc_clear(ltc, first, limit);
 	ltc->func->cbc_wait(ltc);
+	mutex_unlock(&ltc->subdev.mutex);
 }
 
 int

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 4.8 00/96] 4.8.17-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 17/96] hv: acquire vmbus_connection.channel_mutex in vmbus_free_channels() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 52/96] s390/kexec: use node 0 when re-adding crash kernel memory Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 26/96] drm/nouveau/ltc: protect clearing of comptags with mutex Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 03/96] perf/x86: Fix exclusion of BTS and LBR for Goldmont Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 53/96] arm64: KVM: pmu: Reset PMSELR_EL0.SEL to a sane value before entering the guest Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 06/96] cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  [PATCH 4.8 55/96] md/raid5: limit request size according to implementation limits Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-07 00:10 +0100
  Re: [PATCH 4.8 00/96] 4.8.17-stable review Shuah Khan <shuah.kh@samsung.com> - 2017-01-07 03:10 +0100
  Re: [PATCH 4.8 00/96] 4.8.17-stable review Guenter Roeck <linux@roeck-us.net> - 2017-01-07 17:00 +0100

csiph-web