Messages in this thread Patch in this message | | | Date | Fri, 22 Feb 2019 08:04:50 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH -next] habanalabs: use GFP_ATOMIC under spin lock |
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On Fri, Feb 22, 2019 at 05:46:01AM +0000, Wei Yongjun wrote: > A spin lock is taken here so we should use GFP_ATOMIC. > > Fixes: 0feaf86d4e69 ("habanalabs: add virtual memory and MMU modules") > Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> > --- > drivers/misc/habanalabs/memory.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c > index 9236e52852c6..9e3491dc3b55 100644 > --- a/drivers/misc/habanalabs/memory.c > +++ b/drivers/misc/habanalabs/memory.c > @@ -120,7 +120,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, > > spin_lock(&vm->idr_lock); > handle = idr_alloc(&vm->phys_pg_pack_handles, phys_pg_pack, 1, 0, > - GFP_KERNEL); > + GFP_ATOMIC); > spin_unlock(&vm->idr_lock); > > if (handle < 0) { > > >
Ah, nice catch!
Oded, any objection to me taking this patch?
greg k-h
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