This is a note to let you know that I've just added the patch titled
asm-generic/tlb: avoid potential double flush
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asm-gene
On Tue, Dec 17, 2019 at 01:34:16PM +0100, Peter Zijlstra wrote:
> Perhaps if we replace !tlb->end with something like:
>
> !tlb->freed_tables && !tlb->cleared_p*
>
> (which GCC should be able to do with a single load and mask)
>
> I've not really thought too hard about it yet, I need to run so
