[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH] xenbus: avoid stack overflow warning

On 05.05.20 22:57, Arnd Bergmann wrote:
On Tue, May 5, 2020 at 6:02 PM Jürgen Groß <jgross@xxxxxxxx> wrote:
On 05.05.20 17:01, Arnd Bergmann wrote:
On Tue, May 5, 2020 at 4:34 PM Jürgen Groß <jgross@xxxxxxxx> wrote:
On 05.05.20 16:15, Arnd Bergmann wrote:

I considered that as well, and don't really mind either way. I think it does
get a bit ugly whatever we do. If you prefer the union, I can respin the
patch that way.

Hmm, thinking more about it I think the real clean solution would be to
extend struct map_ring_valloc_hvm to cover the pv case, too, to add the
map and unmap arrays (possibly as a union) to it and to allocate it
dynamically instead of having it on the stack.

Would you be fine doing this?

This is a little more complex than I'd want to do without doing any testing
(and no, I don't want to do the testing either) ;-)

It does sound like a better approach though.

I take this as you are fine with me writing the patch and adding you as




Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.