{"id":2197639,"url":"http://patchwork.ozlabs.org/api/1.0/covers/2197639/?format=json","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.0/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260218095205.453657-1-jgross@suse.com>","date":"2026-02-18T09:52:03","name":"[v2,0/2] xen/xenbus: better handle backend crash","submitter":{"id":64874,"url":"http://patchwork.ozlabs.org/api/1.0/people/64874/?format=json","name":"Jürgen Groß","email":"jgross@suse.com"},"series":[{"id":492527,"url":"http://patchwork.ozlabs.org/api/1.0/series/492527/?format=json","date":"2026-02-18T09:52:03","name":"xen/xenbus: better handle backend crash","version":2,"mbox":"http://patchwork.ozlabs.org/series/492527/mbox/"}],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256\n header.s=susede1 header.b=VA1AwakW;\n\tdkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com\n header.a=rsa-sha256 header.s=susede1 header.b=VA1AwakW;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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arc=none smtp.client-ip=195.135.223.131","DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1;\n\tt=1771408327;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:content-type:content-type:\n\t content-transfer-encoding:content-transfer-encoding;\n\tbh=1qq8z/OXjLb7Vbssw0MTizM/EphKSCRXKSLOblBdcEE=;\n\tb=VA1AwakW+XiAmozxbE8J7qZrQuEf0+n6ib1+6fbubOke3wbODuvMeCOcD64nyd4vCS+6j/\n\t2cqA+2yIJ/JmEB55zUFcMfEL2AhvclSOmRZa1zIUUrbxNkD5jNvcTBFALY11162rdDspf9\n\t3hse2FjaMAWXjosrHWAfF8m3bSEH1VI=","v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1;\n\tt=1771408327;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:content-type:content-type:\n\t content-transfer-encoding:content-transfer-encoding;\n\tbh=1qq8z/OXjLb7Vbssw0MTizM/EphKSCRXKSLOblBdcEE=;\n\tb=VA1AwakW+XiAmozxbE8J7qZrQuEf0+n6ib1+6fbubOke3wbODuvMeCOcD64nyd4vCS+6j/\n\t2cqA+2yIJ/JmEB55zUFcMfEL2AhvclSOmRZa1zIUUrbxNkD5jNvcTBFALY11162rdDspf9\n\t3hse2FjaMAWXjosrHWAfF8m3bSEH1VI="],"From":"Juergen Gross ","To":"linux-kernel@vger.kernel.org,\n\tnetdev@vger.kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-scsi@vger.kernel.org","Cc":"Juergen Gross ,\n\tStefano Stabellini ,\n\tOleksandr Tyshchenko ,\n\tAndrew Lunn ,\n\t\"David S. Miller\" ,\n\tEric Dumazet ,\n\tJakub Kicinski ,\n\tPaolo Abeni ,\n\tBjorn Helgaas ,\n\t\"James E.J. Bottomley\" ,\n\t\"Martin K. Petersen\" ,\n\txen-devel@lists.xenproject.org","Subject":"[PATCH v2 0/2] xen/xenbus: better handle backend crash","Date":"Wed, 18 Feb 2026 10:52:03 +0100","Message-ID":"<20260218095205.453657-1-jgross@suse.com>","X-Mailer":"git-send-email 2.53.0","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Spamd-Result":"default: False [-1.80 / 50.00];\n\tBAYES_HAM(-3.00)[100.00%];\n\tSUSPICIOUS_RECIPS(1.50)[];\n\tNEURAL_HAM_LONG(-1.00)[-1.000];\n\tMID_CONTAINS_FROM(1.00)[];\n\tNEURAL_HAM_SHORT(-0.20)[-1.000];\n\tMIME_GOOD(-0.10)[text/plain];\n\tRCPT_COUNT_TWELVE(0.00)[16];\n\tFUZZY_RATELIMITED(0.00)[rspamd.com];\n\tMIME_TRACE(0.00)[0:+];\n\tRCVD_VIA_SMTP_AUTH(0.00)[];\n\tARC_NA(0.00)[];\n\tTAGGED_RCPT(0.00)[netdev];\n\tRCVD_TLS_ALL(0.00)[];\n\tDKIM_SIGNED(0.00)[suse.com:s=susede1];\n\tFROM_HAS_DN(0.00)[];\n\tTO_DN_SOME(0.00)[];\n\tFROM_EQ_ENVFROM(0.00)[];\n\tRCVD_COUNT_TWO(0.00)[2];\n\tTO_MATCH_ENVRCPT_ALL(0.00)[];\n\tDBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo]","X-Spam-Flag":"NO","X-Spam-Score":"-1.80","X-Spam-Level":""},"content":"This small series fixes PV-device frontend side handling in case the\nbackend crashed and has come up again.\n\nThe old device will be discarded and the replacement can be used\ninstead.\n\nChanges in V2:\n- fixed one comment related build warning\n\nJuergen Gross (2):\n xenbus: add xenbus_device parameter to xenbus_read_driver_state()\n xen/xenbus: better handle backend crash\n\n drivers/net/xen-netfront.c | 34 +++++++++---------\n drivers/pci/xen-pcifront.c | 8 ++---\n drivers/scsi/xen-scsifront.c | 2 +-\n drivers/xen/xen-pciback/xenbus.c | 10 +++---\n drivers/xen/xenbus/xenbus_client.c | 17 +++++++--\n drivers/xen/xenbus/xenbus_probe.c | 42 ++++++++++++++++++++--\n drivers/xen/xenbus/xenbus_probe_frontend.c | 2 +-\n include/xen/xenbus.h | 4 ++-\n 8 files changed, 84 insertions(+), 35 deletions(-)"}