linux-kernel - Re: [PATCH v3] x86, pmem: use memcpy_mcsafe() for memcpy_from

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Date:	Tue, 29 Mar 2016 10:38:15 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	linux-nvdimm@...ts.01.org, Tony Luck <tony.luck@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org,
	Andy Lutomirski <luto@...capital.net>,
	Borislav Petkov <bp@...en8.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>
Subject: Re: [PATCH v3] x86, pmem: use memcpy_mcsafe() for memcpy_from_pmem()


* Dan Williams <dan.j.williams@...el.com> wrote:

> Update the definition of memcpy_from_pmem() to return 0 or a negative
> error code.  Implement x86/arch_memcpy_from_pmem() with memcpy_mcsafe().
> 
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Tony Luck <tony.luck@...el.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Andy Lutomirski <luto@...capital.net>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Reviewed-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>

I suspect you want to carry this in the nvdimm tree? If so:

  Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo