public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org,
	devel@linuxdriverproject.org, virtualization@lists.osdl.org,
	ohering@suse.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>
Subject: [PATCH 3/4] Drivers: hv: Get rid of an unnecessary check in hv.c
Date: Mon, 12 Dec 2011 09:29:18 -0800	[thread overview]
Message-ID: <1323710959-29655-3-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1323710959-29655-1-git-send-email-kys@microsoft.com>

In preparation for eventually supporting kexec in Linux VMs on Hyper-V,
get rid of an unnecessary check in hv_init().

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
 drivers/hv/hv.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index f8a77d0..12aa97f 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -164,11 +164,6 @@ int hv_init(void)
 
 	max_leaf = query_hypervisor_info();
 
-	rdmsrl(HV_X64_MSR_GUEST_OS_ID, hv_context.guestid);
-
-	if (hv_context.guestid != 0)
-		goto cleanup;
-
 	/* Write our OS info */
 	wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
 	hv_context.guestid = HV_LINUX_GUEST_ID;
-- 
1.7.4.1


  parent reply	other threads:[~2011-12-12 17:28 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-12 17:28 [PATCH 0000/0004] Drivers: hv: Fixes K. Y. Srinivasan
2011-12-12 17:29 ` [PATCH 1/4] Drivers: hv: Fix a memory leak K. Y. Srinivasan
2011-12-12 17:29   ` [PATCH 2/4] Drivers: hv: Make the vmbus driver unloadable K. Y. Srinivasan
2011-12-12 17:29   ` K. Y. Srinivasan [this message]
2011-12-12 17:29   ` [PATCH 4/4] Drivers: hv: Support building the vmbus driver as part of the kernel K. Y. Srinivasan
2011-12-12 22:27     ` Greg KH
2011-12-12 23:44       ` KY Srinivasan
2011-12-12 23:49         ` Greg KH
2011-12-12 23:54           ` KY Srinivasan
2011-12-12 22:28 ` [PATCH 0000/0004] Drivers: hv: Fixes Greg KH
2011-12-12 23:50   ` KY Srinivasan

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=1323710959-29655-3-git-send-email-kys@microsoft.com \
    --to=kys@microsoft.com \
    --cc=devel@linuxdriverproject.org \
    --cc=gregkh@suse.de \
    --cc=haiyangz@microsoft.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=ohering@suse.com \
    --cc=virtualization@lists.osdl.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