Messages in this thread | | | Date | Mon, 4 May 2020 10:33:56 -0700 | From | Sami Tolvanen <> | Subject | Re: [PATCH v11 01/12] add support for Clang's Shadow Call Stack (SCS) |
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On Mon, May 04, 2020 at 05:52:28PM +0100, Will Deacon wrote: > On Mon, Apr 27, 2020 at 01:45:46PM -0700, Sami Tolvanen wrote: > > I agree that allocating from a kmem_cache isn't ideal for safety. It's a > > compromise to reduce memory overhead. > > Do you think it would be a problem if we always allocated a page for the > SCS?
Yes, the memory overhead was deemed too large for Android devices, which have thousands of threads running.
Sami
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