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| author | Maxime Ripard <maxime@cerno.tech> | 2020-04-04 11:02:15 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-04-04 11:02:15 +0200 |
| commit | cc46c03397c1865a181f1a4f66d4645806e5a943 (patch) | |
| tree | e3a762d8961219a61b96ae6e5ec875ba9fbe2314 /drivers/xen/xenbus/xenbus_probe_backend.c | |
| parent | d8a26d8fc37c5b8b9e95f2fa194f287cf8cab3f4 (diff) | |
| parent | 0e7e6198af28c1573267aba1be33dd0b7fb35691 (diff) | |
| download | kernel_replicant_linux-cc46c03397c1865a181f1a4f66d4645806e5a943.tar.gz kernel_replicant_linux-cc46c03397c1865a181f1a4f66d4645806e5a943.tar.bz2 kernel_replicant_linux-cc46c03397c1865a181f1a4f66d4645806e5a943.zip | |
Merge drm/drm-next into drm-misc-next-fixes
Alex needs v5.6 into drm-misc-next-fixes to merge a fix for a regression in
the scatterlist processing in PRIME.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/xen/xenbus/xenbus_probe_backend.c')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe_backend.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c index 791f6fe01e91..9b2fbe69bccc 100644 --- a/drivers/xen/xenbus/xenbus_probe_backend.c +++ b/drivers/xen/xenbus/xenbus_probe_backend.c @@ -45,6 +45,7 @@ #include <linux/mm.h> #include <linux/notifier.h> #include <linux/export.h> +#include <linux/semaphore.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -257,10 +258,10 @@ static int backend_reclaim_memory(struct device *dev, void *data) drv = to_xenbus_driver(dev->driver); if (drv && drv->reclaim_memory) { xdev = to_xenbus_device(dev); - if (!spin_trylock(&xdev->reclaim_lock)) + if (down_trylock(&xdev->reclaim_sem)) return 0; drv->reclaim_memory(xdev); - spin_unlock(&xdev->reclaim_lock); + up(&xdev->reclaim_sem); } return 0; } |