Kexec Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Rapoport <rppt@kernel.org>
To: Pratyush Yadav <pratyush@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>,
	Alexander Graf <graf@amazon.com>,
	Muchun Song <muchun.song@linux.dev>,
	Oscar Salvador <osalvador@suse.de>,
	David Hildenbrand <david@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Miu <jasonmiu@google.com>,
	kexec@lists.infradead.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 11/12] kho: return virtual address of mem_map
Date: Tue, 12 May 2026 09:51:46 +0300	[thread overview]
Message-ID: <agLOAtdL0rXL1HJ2@kernel.org> (raw)
In-Reply-To: <2vxza4u5c2oq.fsf@kernel.org>

On Mon, May 11, 2026 at 06:48:37PM +0200, Pratyush Yadav wrote:
> On Mon, May 11 2026, Mike Rapoport wrote:
> 
> > On Wed, Apr 29, 2026 at 03:39:13PM +0200, Pratyush Yadav wrote:
> >> From: "Pratyush Yadav (Google)" <pratyush@kernel.org>
> >> 
> >> There are currently 3 callers of kho_get_mem_map_phys(). Two of them,
> >> kho_mem_retrieve() and kho_extend_scratch() need the virtual address.
> >> The third, kho_populate() doesn't care. Make things simpler by
> >> directly returning the virtual address. Rename kho_get_mem_map_phys() to
> >> kho_get_mem_map() to accurately reflect what it returns.
> >
> > This should be moved earlier, before replacing open-coded get_mem_map()
> > with a call to kho_get_mem_map_phys().
> 
> Do you mean move it before patch 2 "kho: store incoming radix tree in
> kho_in"?

Yes.
 
> I can do that. I did it this way to show a clear need for this function,
> but I don't mind doing it as a preparatory step.

With the usual "it will be used in the upcoming changes" text in the log
it's fine :)
 
> >  
> >> Signed-off-by: Pratyush Yadav (Google) <pratyush@kernel.org>
> >> ---
> >>  kernel/liveupdate/kexec_handover.c | 28 +++++++++++++++-------------
> >>  1 file changed, 15 insertions(+), 13 deletions(-)
> 
> -- 
> Regards,
> Pratyush Yadav

-- 
Sincerely yours,
Mike.


  reply	other threads:[~2026-05-12  6:52 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-29 13:39 [PATCH 00/12] kho: make boot time huge page allocation work nicely with KHO Pratyush Yadav
2026-04-29 13:39 ` [PATCH 01/12] kho: generalize radix tree APIs Pratyush Yadav
2026-05-04 14:44   ` Pasha Tatashin
2026-05-05 11:20   ` Jork Loeser
2026-05-05 12:54     ` Pratyush Yadav
2026-05-11 11:32   ` Mike Rapoport
2026-05-11 16:25     ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 02/12] kho: store incoming radix tree in kho_in Pratyush Yadav
2026-05-11 11:43   ` Mike Rapoport
2026-05-11 16:28     ` Pratyush Yadav
2026-05-12  6:46       ` Mike Rapoport
2026-04-29 13:39 ` [PATCH 03/12] kho: add a struct for radix callbacks Pratyush Yadav
2026-05-11 11:47   ` Mike Rapoport
2026-05-11 16:35     ` Pratyush Yadav
2026-05-12  6:48       ` Mike Rapoport
2026-05-12  9:11         ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 04/12] kho: add callback for table pages Pratyush Yadav
2026-05-11 11:50   ` Mike Rapoport
2026-05-11 16:36     ` Pratyush Yadav
2026-05-11 16:40       ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 05/12] kho: add data argument to radix walk callback Pratyush Yadav
2026-05-11 11:53   ` Mike Rapoport
2026-05-11 16:37     ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 06/12] kho: allow early-boot usage of the KHO radix tree Pratyush Yadav
2026-05-11 11:56   ` Mike Rapoport
2026-05-11 16:37     ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 07/12] kho: allow destroying " Pratyush Yadav
2026-05-11 11:57   ` Mike Rapoport
2026-04-29 13:39 ` [PATCH 08/12] kho: add kho_radix_init_tree() Pratyush Yadav
2026-05-06 10:51   ` Jork Loeser
2026-05-11 11:05     ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 09/12] memblock: introduce MEMBLOCK_KHO_SCRATCH_EXT Pratyush Yadav
2026-05-11 12:06   ` Mike Rapoport
2026-05-11 16:46     ` Pratyush Yadav
2026-04-29 13:39 ` [PATCH 10/12] kho: extended scratch Pratyush Yadav
2026-04-29 13:39 ` [PATCH 11/12] kho: return virtual address of mem_map Pratyush Yadav
2026-05-11 12:13   ` Mike Rapoport
2026-05-11 16:48     ` Pratyush Yadav
2026-05-12  6:51       ` Mike Rapoport [this message]
2026-04-29 13:39 ` [PATCH 12/12] mm/hugetlb: make bootmem allocation work with KHO Pratyush Yadav

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=agLOAtdL0rXL1HJ2@kernel.org \
    --to=rppt@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=david@kernel.org \
    --cc=graf@amazon.com \
    --cc=jasonmiu@google.com \
    --cc=kexec@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=muchun.song@linux.dev \
    --cc=osalvador@suse.de \
    --cc=pasha.tatashin@soleen.com \
    --cc=pratyush@kernel.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox