Message ID | 20230829180027.6357-1-coolrrsh@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 4ca95a5b220c901f9c2402532ef78bf5aaf7d35d |
Headers | show |
Series | [v2] dmaengine: idxd: Remove redundant memset() for eventlog allocation | expand |
On 8/29/23 11:00, coolrrsh@gmail.com wrote: > From: Rajeshwar R Shinde <coolrrsh@gmail.com> > > dma_alloc_coherent function already zeroes the array 'addr'. > So, memset function call is not needed. > > This fixes warning such as: > drivers/dma/idxd/device.c:783:8-26: > WARNING: dma_alloc_coherent used in addr already zeroes out memory, > so memset is not needed. > > Signed-off-by: Rajeshwar R Shinde <coolrrsh@gmail.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> > --- > v1->v2 > Renamed the subject line > --- > drivers/dma/idxd/device.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c > index 5abbcc61c528..7c74bc60f582 100644 > --- a/drivers/dma/idxd/device.c > +++ b/drivers/dma/idxd/device.c > @@ -786,8 +786,6 @@ static int idxd_device_evl_setup(struct idxd_device *idxd) > goto err_alloc; > } > > - memset(addr, 0, size); > - > spin_lock(&evl->lock); > evl->log = addr; > evl->dma = dma_addr;
On 29-08-23, 23:30, coolrrsh@gmail.com wrote: > From: Rajeshwar R Shinde <coolrrsh@gmail.com> > > dma_alloc_coherent function already zeroes the array 'addr'. > So, memset function call is not needed. > > This fixes warning such as: > drivers/dma/idxd/device.c:783:8-26: > WARNING: dma_alloc_coherent used in addr already zeroes out memory, > so memset is not needed. Already fixes by 4ca95a5b220c901f9c2402532ef78bf5aaf7d35d > > Signed-off-by: Rajeshwar R Shinde <coolrrsh@gmail.com> > --- > v1->v2 > Renamed the subject line > --- > drivers/dma/idxd/device.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c > index 5abbcc61c528..7c74bc60f582 100644 > --- a/drivers/dma/idxd/device.c > +++ b/drivers/dma/idxd/device.c > @@ -786,8 +786,6 @@ static int idxd_device_evl_setup(struct idxd_device *idxd) > goto err_alloc; > } > > - memset(addr, 0, size); > - > spin_lock(&evl->lock); > evl->log = addr; > evl->dma = dma_addr; > -- > 2.25.1
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 5abbcc61c528..7c74bc60f582 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -786,8 +786,6 @@ static int idxd_device_evl_setup(struct idxd_device *idxd) goto err_alloc; } - memset(addr, 0, size); - spin_lock(&evl->lock); evl->log = addr; evl->dma = dma_addr;