Messages in this thread | | | Date | Thu, 25 Apr 2019 20:17:42 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v4 04/23] x86/mm: Save DRs when loading a temporary mm |
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On Mon, Apr 22, 2019 at 11:57:46AM -0700, Rick Edgecombe wrote: > From: Nadav Amit <namit@vmware.com> > > Prevent user watchpoints from mistakenly firing while the temporary mm > is being used. As the addresses that of the temporary mm might overlap > those of the user-process, this is necessary to prevent wrong signals > or worse things from happening.
Ooh, goody, that would be fun indeed.
> Cc: Andy Lutomirski <luto@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> Signed-off-by: Nadav Amit <namit@vmware.com> > Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
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