Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751427AbbLBFr4 (ORCPT ); Wed, 2 Dec 2015 00:47:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41745 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750990AbbLBFrz (ORCPT ); Wed, 2 Dec 2015 00:47:55 -0500 Date: Wed, 2 Dec 2015 13:47:45 +0800 From: Dave Young To: Xunlei Pang Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, Eric Biederman , akpm@linux-foundation.org Subject: Re: [PATCH 1/2] kexec: Set KEXEC_TYPE_CRASH before sanity_check_segment_list() Message-ID: <20151202054745.GA2899@dhcp-128-65.nay.redhat.com> References: <1449033995-15700-1-git-send-email-xlpang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1449033995-15700-1-git-send-email-xlpang@redhat.com> User-Agent: Mutt/1.5.23 (2015-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1871 Lines: 65 Ccing Andrew since usually he monitors and picks up kexec patches. On 12/02/15 at 01:26pm, Xunlei Pang wrote: > sanity_check_segment_list() checks KEXEC_TYPE_CRASH flag to ensure > all the segments of the loaded crash kernel are winthin the kernel > crash resource limits, so set the flag beforehand. Looks good except a nitpick, see comments inline. Otherwise: Acked-by: Dave Young > > Signed-off-by: Xunlei Pang > --- > kernel/kexec.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) > > diff --git a/kernel/kexec.c b/kernel/kexec.c > index d873b64..9624391 100644 > --- a/kernel/kexec.c > +++ b/kernel/kexec.c > @@ -63,16 +63,19 @@ static int kimage_alloc_init(struct kimage **rimage, unsigned long entry, > if (ret) > goto out_free_image; > > - ret = sanity_check_segment_list(image); > - if (ret) > - goto out_free_image; > - > - /* Enable the special crash kernel control page allocation policy. */ > + /* > + * Enable the special crash kernel control page allocation policy, > + * and set the crash type flag. It is obvious it is setting the crash type flag, so no need to add extra comment. > + */ > if (kexec_on_panic) { Like kexec_file.c, move /* Enable ... policy */ here sounds better. > image->control_page = crashk_res.start; > image->type = KEXEC_TYPE_CRASH; > } > > + ret = sanity_check_segment_list(image); > + if (ret) > + goto out_free_image; > + > /* > * Find a location for the control code buffer, and add it > * the vector of segments so that it's pages will also be > -- > 2.5.0 > Thanks Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/