From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Ingo Molnar <mingo@kernel.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Andy Lutomirski <luto@amacapital.net>,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5] Last bits for initial 5-level paging enabling
Date: Thu, 29 Jun 2017 18:06:57 +0300 [thread overview]
Message-ID: <20170629150657.urgapbzmf3jy6jgp@node.shutemov.name> (raw)
In-Reply-To: <20170623144915.4d6esghvicnczuaj@black.fi.intel.com>
On Fri, Jun 23, 2017 at 05:49:15PM +0300, Kirill A. Shutemov wrote:
> On Fri, Jun 23, 2017 at 11:06:01AM +0200, Ingo Molnar wrote:
> >
> > * Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:
> >
> > > As Ingo requested I've split and updated last two patches for my previous
> > > patchset.
> > >
> > > Please review and consider applying.
> > >
> > > Kirill A. Shutemov (5):
> > > x86: Enable 5-level paging support
> > > x86/mm: Rename tasksize_32bit/64bit to task_size_32bit/64bit
> > > x86/mpx: Do not allow MPX if we have mappings above 47-bit
> > > x86/mm: Prepare to expose larger address space to userspace
> > > x86/mm: Allow userspace have mapping above 47-bit
> >
> > Ok, looks pretty neat now.
> >
> > Can I apply them in this order cleanly, without breaking bisection:
> >
> > > x86/mm: Rename tasksize_32bit/64bit to task_size_32bit/64bit
> > > x86/mpx: Do not allow MPX if we have mappings above 47-bit
> > > x86/mm: Prepare to expose larger address space to userspace
> > > x86/mm: Allow userspace have mapping above 47-bit
> > > x86: Enable 5-level paging support
> >
> > ?
> >
> > I.e. I'd like to move the first patch last.
> >
> > The reason is that we should first get all quirks and assumptions fixed, all
> > facilities implemented - and only then enable 5-level paging as a final step which
> > produces a well working kernel.
> >
> > (This should also make it slightly easier to analyze any potential regressions in
> > earlier patches.)
>
> Just checked bisectability with this order on allmodconfig -- works fine.
Ingo, if there's no objections, can we get these applied?
--
Kirill A. Shutemov
next prev parent reply other threads:[~2017-06-29 15:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-22 12:26 [PATCH 0/5] Last bits for initial 5-level paging enabling Kirill A. Shutemov
2017-06-22 12:26 ` [PATCH 1/5] x86: Enable 5-level paging support Kirill A. Shutemov
2017-06-22 12:26 ` [PATCH 2/5] x86/mm: Rename tasksize_32bit/64bit to task_size_32bit/64bit Kirill A. Shutemov
2017-06-22 12:26 ` [PATCH 3/5] x86/mpx: Do not allow MPX if we have mappings above 47-bit Kirill A. Shutemov
2017-06-22 12:26 ` [PATCH 4/5] x86/mm: Prepare to expose larger address space to userspace Kirill A. Shutemov
2017-06-22 12:26 ` [PATCH 5/5] x86/mm: Allow userspace have mapping above 47-bit Kirill A. Shutemov
2017-06-23 9:06 ` [PATCH 0/5] Last bits for initial 5-level paging enabling Ingo Molnar
2017-06-23 14:49 ` Kirill A. Shutemov
2017-06-29 15:06 ` Kirill A. Shutemov [this message]
2017-06-30 6:59 ` Ingo Molnar
2017-06-28 12:17 ` [PATCH 6/5] x86/KASLR: Fix detection 32/64 bit bootloaders for 5-level paging Kirill A. Shutemov
2017-06-28 16:39 ` Kees Cook
2017-06-30 13:08 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
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