From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp09.au.ibm.com (e23smtp09.au.ibm.com [202.81.31.142]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 8A4B61A0B5A for ; Fri, 26 Feb 2016 11:05:54 +1100 (AEDT) Received: from localhost by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 26 Feb 2016 10:05:53 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 301673578056 for ; Fri, 26 Feb 2016 11:05:51 +1100 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1Q05g7n62324828 for ; Fri, 26 Feb 2016 11:05:51 +1100 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u1Q05ICs000703 for ; Fri, 26 Feb 2016 11:05:18 +1100 From: Gavin Shan To: linuxppc-dev@lists.ozlabs.org Cc: mpe@ellerman.id.au, Gavin Shan Subject: [PATCH 2/3] powerpc/eeh: Don't remove passed VFs Date: Fri, 26 Feb 2016 11:04:51 +1100 Message-Id: <1456445092-18337-3-git-send-email-gwshan@linux.vnet.ibm.com> In-Reply-To: <1456445092-18337-1-git-send-email-gwshan@linux.vnet.ibm.com> References: <1456445092-18337-1-git-send-email-gwshan@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , When we have partial hotplug as part of the error recovery on PF, the VFs that are bound with vfio-pci driver will experience hotplug. That's not allowed. This checks if the VF PE is passed or not. If it does, we leave the VF without removing it. Signed-off-by: Gavin Shan --- arch/powerpc/kernel/eeh_driver.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 6c59de8..fb6207d 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -455,6 +455,9 @@ static void *eeh_rmv_device(void *data, void *userdata) if (driver) { eeh_pcid_put(dev); if (removed && + eeh_pe_passed(edev->pe)) + return NULL; + if (removed && driver->err_handler && driver->err_handler->error_detected && driver->err_handler->slot_reset) -- 2.1.0