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Message-ID: <CAE9FiQXb3hLUeuOZuwN62mJhF29T-PyZ7Q82-rk1bYL0jJJFFw@mail.gmail.com> Date: Tue, 18 Dec 2012 19:57:51 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Borislav Petkov <bp@...en8.de>, Yinghai Lu <yinghai@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v6 05/27] x86, 64bit: clear ident mapping when kernel is above 512G On Sun, Dec 16, 2012 at 9:49 AM, Borislav Petkov <bp@...en8.de> wrote: > On Thu, Dec 13, 2012 at 02:01:59PM -0800, Yinghai Lu wrote: >> After following patch: >> x86, 64bit: Set extra ident mapping for whole kernel range >> >> We have extra ident mapping for kernel that is loaded above 1G. > > What? > > /me looks at next patch > > Aaah, the *next* patch adds an extra ident mapping. Why don't you say > so? > >> So need to clear extra pgd entry when kernel is loaded above 512g. > > Why then isn't that patch following the next patch instead of coming > before it? make the transition smooth. zap_ident is after setting in head_64.S anyway the whole zap_ident get deleted and we don't need this patch anymore. Yinghai -- 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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