All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v2 1/2] Mark Memory Resources as busy
Date: Mon, 19 Aug 2013 21:52:20 -0500	[thread overview]
Message-ID: <5212D9E4.40500@linux.vnet.ibm.com> (raw)
In-Reply-To: <5212D989.8090103@linux.vnet.ibm.com>

Memory I/O resources need to be marked as busy or else we cannot remove
them when doing memory hot remove.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
---
 arch/powerpc/mm/mem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/powerpc/mm/mem.c
===================================================================
--- linux.orig/arch/powerpc/mm/mem.c
+++ linux/arch/powerpc/mm/mem.c
@@ -514,7 +514,7 @@ static int add_system_ram_resources(void
 			res->name = "System RAM";
 			res->start = base;
 			res->end = base + size - 1;
-			res->flags = IORESOURCE_MEM;
+			res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 			WARN_ON(request_resource(&iomem_resource, res) < 0);
 		}
 	}

  reply	other threads:[~2013-08-20  2:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-20  2:50 [PATCH v2] Correct Memory Hotplug for Power Nathan Fontenot
2013-08-20  2:52 ` Nathan Fontenot [this message]
2013-08-20  2:53 ` [PATCH v2 2/2] Register bootmem pages Nathan Fontenot
2013-08-27  3:44   ` Benjamin Herrenschmidt
2013-08-27  7:39     ` Benjamin Herrenschmidt

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=5212D9E4.40500@linux.vnet.ibm.com \
    --to=nfont@linux.vnet.ibm.com \
    --cc=linuxppc-dev@lists.ozlabs.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 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.