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Date: Tue, 5 Jan 2016 23:11:10 -0800 From: Dan Williams <dan.j.williams@...el.com> To: "Luck, Tony" <tony.luck@...el.com> Cc: Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>, Andrew Morton <akpm@...ux-foundation.org>, Andy Lutomirski <luto@...nel.org>, "Elliott, Robert (Persistent Memory)" <elliott@....com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Linux MM <linux-mm@...ck.org>, linux-nvdimm <linux-nvdimm@...1.01.org>, X86 ML <x86@...nel.org> Subject: Re: [PATCH v7 3/3] x86, mce: Add __mcsafe_copy() On Tue, Jan 5, 2016 at 11:06 PM, Luck, Tony <tony.luck@...el.com> wrote: > You were heading towards: > > ld: undefined __mcsafe_copy True, we'd also need a dummy mcsafe_copy() definition to compile it out in the disabled case. > since that is also inside the #ifdef. > > Weren't you going to "select" this? > I do select it, but by randconfig I still need to handle the CONFIG_X86_MCE=n case. > I'm seriously wondering whether the ifdef still makes sense. Now I don't have an extra exception table and routines to sort/search/fixup, it doesn't seem as useful as it was a few iterations ago. Either way is ok with me. That said, the extra definitions to allow it compile out when not enabled don't seem too onerous. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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