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Fri, 27 Jan 2023 05:54:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id wWPFMw5n02PENAAAMHmgww (envelope-from ); Fri, 27 Jan 2023 05:54:22 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 0cc1a9d8-9e07-11ed-a5d9-ddcf98b90cbd DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1674798863; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=CNsH2eyRIqDjpt3u1MPsyOiSxETn2lLKo6InDVQ1ypo=; b=OlKlScu4SW4kHazrJhOsyQkfJD5Ac88Y+bKFjU5G/6rUMaKwzABVjNoMrbl5P7+1WSbIrh oVR225T1xbpLQYSlXIzVV7xdJ9eLVar2X7CPsPdPUH4egHvkSO5AjVINDHRBzoApzfPci0 /6J8Z1NUU/h+EwLgWbYs/gV5ZhDAPZo= From: Juergen Gross To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Wei Liu , Anthony PERARD Subject: [PATCH v2] tools/helpers: don't log errors when trying to load PVH xenstore-stubdom Date: Fri, 27 Jan 2023 06:54:21 +0100 Message-Id: <20230127055421.22945-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1674798920463100001 Content-Type: text/plain; charset="utf-8" When loading a Xenstore stubdom the loader doesn't know whether the lo be loaded kernel is a PVH or a PV one. So it tries to load it as a PVH one first, and if this fails it is loading it as a PV kernel. This results in errors being logged in case the stubdom is a PV kernel. Suppress those errors by setting the minimum logging level to "critical" while trying to load the kernel as PVH. Fixes: f89955449c5a ("tools/init-xenstore-domain: support xenstore pvh stub= dom") Signed-off-by: Juergen Gross --- V2: - retry PVH loading with logging if PV fails, too (Jan Beulich) --- tools/helpers/init-xenstore-domain.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/tools/helpers/init-xenstore-domain.c b/tools/helpers/init-xens= tore-domain.c index 04e351ca29..4e2f8d4da5 100644 --- a/tools/helpers/init-xenstore-domain.c +++ b/tools/helpers/init-xenstore-domain.c @@ -31,6 +31,8 @@ static int memory; static int maxmem; static xen_pfn_t console_gfn; static xc_evtchn_port_or_error_t console_evtchn; +static xentoollog_level minmsglevel =3D XTL_PROGRESS; +static void *logger; =20 static struct option options[] =3D { { "kernel", 1, NULL, 'k' }, @@ -141,19 +143,29 @@ static int build(xc_interface *xch) goto err; } =20 + /* Try PVH first, suppress errors by setting min level high. */ dom->container_type =3D XC_DOM_HVM_CONTAINER; + xtl_stdiostream_set_minlevel(logger, XTL_CRITICAL); rv =3D xc_dom_parse_image(dom); + xtl_stdiostream_set_minlevel(logger, minmsglevel); if ( rv ) { dom->container_type =3D XC_DOM_PV_CONTAINER; rv =3D xc_dom_parse_image(dom); if ( rv ) { - fprintf(stderr, "xc_dom_parse_image failed\n"); - goto err; + /* Retry PVH, now with normal logging level. */ + dom->container_type =3D XC_DOM_HVM_CONTAINER; + rv =3D xc_dom_parse_image(dom); + if ( rv ) + { + fprintf(stderr, "xc_dom_parse_image failed\n"); + goto err; + } } } - else + + if ( dom->container_type =3D=3D XC_DOM_HVM_CONTAINER ) { config.flags |=3D XEN_DOMCTL_CDF_hvm | XEN_DOMCTL_CDF_hap; config.arch.emulation_flags =3D XEN_X86_EMU_LAPIC; @@ -412,8 +424,6 @@ int main(int argc, char** argv) char buf[16], be_path[64], fe_path[64]; int rv, fd; char *maxmem_str =3D NULL; - xentoollog_level minmsglevel =3D XTL_PROGRESS; - xentoollog_logger *logger =3D NULL; =20 while ( (opt =3D getopt_long(argc, argv, "v", options, NULL)) !=3D -1 ) { @@ -456,9 +466,7 @@ int main(int argc, char** argv) return 2; } =20 - logger =3D (xentoollog_logger *)xtl_createlogger_stdiostream(stderr, - minmsglevel= , 0); - + logger =3D xtl_createlogger_stdiostream(stderr, minmsglevel, 0); xch =3D xc_interface_open(logger, logger, 0); if ( !xch ) { --=20 2.35.3