All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Rapoport <rppt@kernel.org>
To: osalvador <osalvador@suse.de>
Cc: Michal Hocko <mhocko@suse.com>,
	Wei Yang <richard.weiyang@linux.alibaba.com>,
	David Hildenbrand <david@redhat.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Paul Mackerras <paulus@samba.org>,
	Rashmica Gupta <rashmica.g@gmail.com>,
	linuxppc-dev@lists.ozlabs.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v1 3/4] powerpc/mm: remove linear mapping if __add_pages() fails in arch_add_memory()
Date: Wed, 4 Nov 2020 14:06:51 +0200	[thread overview]
Message-ID: <20201104120651.GQ4879@kernel.org> (raw)
In-Reply-To: <20201104095007.GB4981@localhost.localdomain>

On Wed, Nov 04, 2020 at 10:50:07AM +0100, osalvador wrote:
> On Thu, Oct 29, 2020 at 05:27:17PM +0100, David Hildenbrand wrote:
> > Let's revert what we did in case seomthing goes wrong and we return an
> > error.
> 
> Dumb question, but should not we do this for other arches as well?

It seems arm64 and s390 already do that. 
x86 could have its arch_add_memory() improved though :)

> -- 
> Oscar Salvador
> SUSE L3

-- 
Sincerely yours,
Mike.

WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <rppt@kernel.org>
To: osalvador <osalvador@suse.de>
Cc: David Hildenbrand <david@redhat.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linuxppc-dev@lists.ozlabs.org,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Rashmica Gupta <rashmica.g@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.com>,
	Wei Yang <richard.weiyang@linux.alibaba.com>
Subject: Re: [PATCH v1 3/4] powerpc/mm: remove linear mapping if __add_pages() fails in arch_add_memory()
Date: Wed, 4 Nov 2020 14:06:51 +0200	[thread overview]
Message-ID: <20201104120651.GQ4879@kernel.org> (raw)
In-Reply-To: <20201104095007.GB4981@localhost.localdomain>

On Wed, Nov 04, 2020 at 10:50:07AM +0100, osalvador wrote:
> On Thu, Oct 29, 2020 at 05:27:17PM +0100, David Hildenbrand wrote:
> > Let's revert what we did in case seomthing goes wrong and we return an
> > error.
> 
> Dumb question, but should not we do this for other arches as well?

It seems arm64 and s390 already do that. 
x86 could have its arch_add_memory() improved though :)

> -- 
> Oscar Salvador
> SUSE L3

-- 
Sincerely yours,
Mike.


  reply	other threads:[~2020-11-04 12:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 16:27 [PATCH v1 0/4] powernv/memtrace: don't abuse memory hot(un)plug infrastructure for memory allocations David Hildenbrand
2020-10-29 16:27 ` David Hildenbrand
2020-10-29 16:27 ` [PATCH v1 1/4] powerpc/mm: factor out creating/removing linear mapping David Hildenbrand
2020-10-29 16:27   ` David Hildenbrand
2020-10-29 16:27 ` [PATCH v1 2/4] powerpc/mm: print warning in arch_remove_linear_mapping() David Hildenbrand
2020-10-29 16:27   ` David Hildenbrand
2020-11-04  9:42   ` osalvador
2020-11-04  9:42     ` osalvador
2020-11-11 12:10     ` David Hildenbrand
2020-11-11 12:10       ` David Hildenbrand
2020-10-29 16:27 ` [PATCH v1 3/4] powerpc/mm: remove linear mapping if __add_pages() fails in arch_add_memory() David Hildenbrand
2020-10-29 16:27   ` David Hildenbrand
2020-11-04  9:50   ` osalvador
2020-11-04  9:50     ` osalvador
2020-11-04 12:06     ` Mike Rapoport [this message]
2020-11-04 12:06       ` Mike Rapoport
2020-11-04 12:11       ` Oscar Salvador
2020-11-04 12:11         ` Oscar Salvador
2020-11-11 12:07         ` David Hildenbrand
2020-11-11 12:07           ` David Hildenbrand
2020-11-04 12:11   ` Oscar Salvador
2020-11-04 12:11     ` Oscar Salvador
2020-10-29 16:27 ` [PATCH v1 4/4] powernv/memtrace: don't abuse memory hot(un)plug infrastructure for memory allocations David Hildenbrand
2020-10-29 16:27   ` David Hildenbrand
2020-11-03  9:23   ` Michal Hocko
2020-11-03  9:23     ` Michal Hocko
2020-11-03  9:29     ` David Hildenbrand
2020-11-03  9:29       ` David Hildenbrand
2020-11-05  2:40   ` Michael Ellerman
2020-11-05  2:40     ` Michael Ellerman
2020-11-05  8:29     ` David Hildenbrand
2020-11-05  8:29       ` David Hildenbrand
2020-11-05 10:47       ` Michael Ellerman
2020-11-05 10:47         ` Michael Ellerman
2020-11-25 11:57 ` [PATCH v1 0/4] " Michael Ellerman
2020-11-25 11:57   ` Michael Ellerman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201104120651.GQ4879@kernel.org \
    --to=rppt@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=david@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mhocko@suse.com \
    --cc=osalvador@suse.de \
    --cc=paulus@samba.org \
    --cc=rashmica.g@gmail.com \
    --cc=richard.weiyang@linux.alibaba.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.