Messages in this thread | | | Date | Thu, 11 Jul 2019 19:50:05 +1000 | From | Nicholas Piggin <> | Subject | Re: [v5 3/6] powerpc/memcpy: Add memcpy_mcsafe for pmem |
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Santosh Sivaraj's on July 9, 2019 10:15 pm: > From: Balbir Singh <bsingharora@gmail.com> > > The pmem infrastructure uses memcpy_mcsafe in the pmem layer so as to > convert machine check exceptions into a return value on failure in case > a machine check exception is encountered during the memcpy. The return > value is the number of bytes remaining to be copied. > > This patch largely borrows from the copyuser_power7 logic and does not add > the VMX optimizations, largely to keep the patch simple. If needed those > optimizations can be folded in.
Shouldn't this patch go after the exception table stuff now if you squashed them together?
Thanks, Nick
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