From: Matthew Wilcox <willy@linux.intel.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>,
Ingo Molnar <mingo@redhat.com>, Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 2/3] mm: Convert vm_insert_pfn_prot to vmf_insert_pfn_prot
Date: Tue, 26 Jan 2016 23:18:21 -0500 [thread overview]
Message-ID: <20160127041821.GQ2948@linux.intel.com> (raw)
In-Reply-To: <CALCETrWQdJFBMz+O3TtVfMwAapY1tJFg3PE+-Gjp7fOWkzrAAA@mail.gmail.com>
On Mon, Jan 25, 2016 at 09:35:36AM -0800, Andy Lutomirski wrote:
> On Mon, Jan 25, 2016 at 9:25 AM, Matthew Wilcox
> <matthew.r.wilcox@intel.com> wrote:
> > From: Matthew Wilcox <willy@linux.intel.com>
> >
> > Other than the name, the vmf_ version takes a pfn_t parameter, and
> > returns a VM_FAULT_ code suitable for returning from a fault handler.
> >
> > This patch also prevents vm_insert_pfn() from returning -EBUSY.
> > This is a good thing as several callers handled it incorrectly (and
> > none intentionally treat -EBUSY as a different case from 0).
> >
> > Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
>
> This would be even nicer if you added vmf_insert_pfn as well :)
I've sent out patches adding it before ... my most recent attempt on
January 5th tied up with the DAX support for 1GB pages. I'll keep
sending it until it sticks :-)
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next prev parent reply other threads:[~2016-01-27 4:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-25 17:25 [PATCH 0/3] Fixes for vm_insert_pfn_prot() Matthew Wilcox
2016-01-25 17:25 ` [PATCH 1/3] x86: Honour passed pgprot in track_pfn_insert() and track_pfn_remap() Matthew Wilcox
2016-01-25 17:33 ` Andy Lutomirski
2016-01-25 17:46 ` Andy Lutomirski
2016-01-27 4:40 ` Matthew Wilcox
2016-01-27 5:44 ` Andy Lutomirski
2016-01-29 14:49 ` Matthew Wilcox
2016-01-29 22:19 ` Andy Lutomirski
2016-02-09 14:24 ` Ingo Molnar
2016-02-10 3:06 ` Andy Lutomirski
2016-01-25 17:25 ` [PATCH 2/3] mm: Convert vm_insert_pfn_prot to vmf_insert_pfn_prot Matthew Wilcox
2016-01-25 17:35 ` Andy Lutomirski
2016-01-27 4:18 ` Matthew Wilcox [this message]
2016-01-25 17:25 ` [PATCH 3/3] dax: Handle write faults more efficiently Matthew Wilcox
2016-01-25 17:38 ` Andy Lutomirski
2016-01-27 4:17 ` Matthew Wilcox
2016-01-27 5:22 ` Andy Lutomirski
2016-01-27 6:01 ` Andy Lutomirski
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