From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224+vkBBt4VfxvmQNg+AXr1C++UKIERHJq/KHsV9jBEnHFa3yj21fML73haC/GrXBDxK6M1q ARC-Seal: i=1; a=rsa-sha256; t=1516718418; cv=none; d=google.com; s=arc-20160816; b=Gv2HYtryJSL7rXa5jlLL39Huz3SXr2xzcbPMT8p69O6JS1ZKiflt3qE7cjjv3Nuab9 HAq+OIN8RURx/YZcy+/KpI6fgjXkWcQiI5QV/dgeIejQpY7WR2eP3tm1mCQq/F+fDNJU 4FaTwOphBcHLglX14GhOoIe0tnh73Cg/c9WUzrvNMmBf5KtEz0mXQ1fzgUlPe1w4Ub0W Sjjy4Nk0CNkqJQiPwjRoOLg+VuzALdcjfTRPrFgBbDJb2iT+KSzZlhbso5Abt4R+L5dy MPubtXmDk4f808ijwAiG9RbGlBx5mdG0ZbhRePjqw9/yMbT3NyHNJfuGI6GcScWcKle9 a7oA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:content-transfer-encoding:mime-version:references :in-reply-to:subject:cc:to:from:date:arc-authentication-results; bh=/fZ1KFDBgdFHD53goDxTrnuFAcmCGCEAmmorecfRb60=; b=vHjuNJXiUP0GXAfkYet1q/eYl22o+zax/vMFp3P6NNKRWk9R3KW6urnzDAX40BY3Ga rAURXtUwyh29T9C0N12dplzryV/Mk7s7NNlsuLcQWtNRNIpat9FXvtmk4CLDPoszFr/Y zm1igap/0DoHsxfDe2BsAGRDz0lUK+75tjC3ES1aNe3dF5+kLEWUmnVmQbXNUP97XRV1 NkjFz0nXxqpZAtOS0aySVs61MtFcf6tP2ss8quZeRy4mLfekljIu2itg1mNFE2IWDHFL lS2oWm5WYi3+EqAUJ/nZ+ip+LN6+1cz5owHTxdw12NJRABtcA1JxMovEbI8cCIDuQN4i KKCg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of schwidefsky@de.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=schwidefsky@de.ibm.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of schwidefsky@de.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=schwidefsky@de.ibm.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Date: Tue, 23 Jan 2018 15:40:06 +0100 From: Martin Schwidefsky To: Cornelia Huck Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, Heiko Carstens , Christian Borntraeger , Paolo Bonzini , David Hildenbrand , Greg Kroah-Hartman , Jon Masters , Marcus Meissner , Jiri Kosina Subject: Re: [PATCH 2/5] s390/alternative: use a copy of the facility bit mask In-Reply-To: <20180123145947.72bb1cd2.cohuck@redhat.com> References: <1516712825-2917-1-git-send-email-schwidefsky@de.ibm.com> <1516712825-2917-3-git-send-email-schwidefsky@de.ibm.com> <20180123145947.72bb1cd2.cohuck@redhat.com> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18012314-0040-0000-0000-00000407EAF0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18012314-0041-0000-0000-0000260B6CB8 Message-Id: <20180123154006.14fb7ce0@mschwideX1> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-01-23_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1801230201 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1590388681609659115?= X-GMAIL-MSGID: =?utf-8?q?1590394532395698112?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, 23 Jan 2018 14:59:47 +0100 Cornelia Huck wrote: > On Tue, 23 Jan 2018 14:07:02 +0100 > Martin Schwidefsky wrote: > > > To be able to switch off specific CPU alternatives with kernel parameters > > make a copy of the facility bit mask provided by STFLE and use the copy > > for the decision to apply an alternative. > > > > Signed-off-by: Martin Schwidefsky > > --- > > arch/s390/include/asm/facility.h | 18 ++++++++++++++++++ > > arch/s390/include/asm/lowcore.h | 3 ++- > > arch/s390/kernel/alternative.c | 3 ++- > > arch/s390/kernel/early.c | 3 +++ > > arch/s390/kernel/setup.c | 4 +++- > > arch/s390/kernel/smp.c | 4 +++- > > 6 files changed, 31 insertions(+), 4 deletions(-) > > You have dropped various r-bs (including mine). Has this patch been > changed? (Doesn't look like it.) Added your and Davids r-b to patch #2, as well as your a-b to patch #4. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.