[PATCH 1/3] PCI: hv: Allocate physically contiguous hypercall params buffer
Dan Carpenter
dan.carpenter at oracle.com
Mon Jan 21 13:36:28 UTC 2019
On Mon, Jan 21, 2019 at 04:19:42PM +0300, Dan Carpenter wrote:
> On Fri, Jan 18, 2019 at 02:17:16AM +0530, Ajay Kaher wrote:
> > hv_do_hypercall() assumes that we pass a segment from a physically
> > contiguous buffer. A buffer allocated on the stack may not work if
> > CONFIG_VMAP_STACK=y is set.
> >
> > Use kmalloc() to allocate this buffer.
> >
>
> Since you're going to need to resend this anyway, can you add in the
> commit message what this looks like from a user perspective? Presumably
> it's an occasional crash?
>
Never mind. I didn't realize this was a two year old patch.
regards,
dan carpenter
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