Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 31 Jul 2023 12:07:19 -0700
Cc: Peter Xu <peterx@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, liubo <liubo254@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>
In-reply-to: <a453d403-fc96-e4a0-71ee-c61d527e70da@redhat.com>
References: <20230727212845.135673-1-david@redhat.com> <CAHk-=wiig=N75AGP7UAG9scmghWAqsTB5NRO6RiWLOB5YWfcTQ@mail.gmail.com> <412bb30f-0417-802c-3fc4-a4e9d5891c5d@redhat.com> <66e26ad5-982e-fe2a-e4cd-de0e552da0ca@redhat.com> <ZMfc9+/44kViqjeN@x1n> <a3349cdb-f76f-eb87-4629-9ccba9f435a1@redhat.com> <CAHk-=wiREarX5MQx9AppxPzV6jXCCQRs5KVKgHoGYwATRL6nPg@mail.gmail.com> <a453d403-fc96-e4a0-71ee-c61d527e70da@redhat.com>

On Mon, 31 Jul 2023 at 12:00, David Hildenbrand <david@xxxxxxxxxx> wrote:
>
> So in the "!writable" case, we would always call
> get_user_pages_unlocked() and never honor NUMA faults.

Ok, so kvm doesn't just use the fast version. Oh well. It was an idea..

         Linus

Follow-Ups:
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: David Hildenbrand

References:
- [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: David Hildenbrand
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: Linus Torvalds
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: David Hildenbrand
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: Peter Xu
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: David Hildenbrand
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: Linus Torvalds
- Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
  - From: David Hildenbrand

Prev by Date: Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
Next by Date: Re: [PATCH v1 02/14] futex: Extend the FUTEX2 flags
Previous by thread: Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
Next by thread: Re: [PATCH v1 0/4] smaps / mm/gup: fix gup_can_follow_protnone fallout
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]