From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-f194.google.com ([209.85.192.194]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fCttp-0005Ep-9o for kexec@lists.infradead.org; Sun, 29 Apr 2018 21:30:27 +0000 Received: by mail-pf0-f194.google.com with SMTP id a14so5243269pfi.1 for ; Sun, 29 Apr 2018 14:30:15 -0700 (PDT) From: Bhupesh Sharma Subject: [PATCH v3 2/2] kexec-arm64: Add functionality to dump 2nd dtb Date: Mon, 30 Apr 2018 02:52:36 +0530 Message-Id: <1525036956-7440-3-git-send-email-bhsharma@redhat.com> In-Reply-To: <1525036956-7440-1-git-send-email-bhsharma@redhat.com> References: <1525036956-7440-1-git-send-email-bhsharma@redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: kexec@lists.infradead.org Cc: Bhupesh Sharma , takahiro.akashi@linaro.org, horms@verge.net.au, james.morse@arm.com, bhupesh.linux@gmail.com, dyoung@redhat.com Since during the arm64 kexec_load()/kdump invocation, the dtb is passed to the second kernel, it is sometimes useful to dump the dtb contents (to verify the correctness of the same). This patch adds this feature which is enabled when '-d' flag is used with kexec command line invocation. Signed-off-by: Bhupesh Sharma --- kexec/arch/arm64/kexec-arm64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c index 62f37585b788..1b54718465b9 100644 --- a/kexec/arch/arm64/kexec-arm64.c +++ b/kexec/arch/arm64/kexec-arm64.c @@ -477,9 +477,10 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash) dtb->size = fdt_totalsize(new_buf); } + dbgprintf("%s: found %s\n", __func__, dtb->path); + dump_fdt(dtb->buf); dump_reservemap(dtb); - return result; on_error: -- 2.7.4 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec