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Tue, 17 Jun 2025 15:11:20 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BBC012004B; Tue, 17 Jun 2025 15:11:20 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8BDBC20043; Tue, 17 Jun 2025 15:11:20 +0000 (GMT) Received: from li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com (unknown [9.155.204.135]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 17 Jun 2025 15:11:20 +0000 (GMT) Date: Tue, 17 Jun 2025 17:11:19 +0200 From: Alexander Gordeev To: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 6/6] powerpc/64s: Do not re-activate batched TLB flush Message-ID: References: <8625a1d97dcf4ae499b4bb341e27346f768a7248.1749747752.git.agordeev@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8625a1d97dcf4ae499b4bb341e27346f768a7248.1749747752.git.agordeev@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: TrIPqeZ_BYY-f9iteuBELN1rvGn3U0dS X-Proofpoint-GUID: bkIiAnLD45FrZKdAPu1jW7F3_qcF-9OP X-Authority-Analysis: v=2.4 cv=c92rQQ9l c=1 sm=1 tr=0 ts=6851859b cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=kj9zAlcOel0A:10 a=6IFa9wvqVegA:10 a=VnNF1IyMAAAA:8 a=zQje2rQ7M4ZH0Jh3yrQA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE3MDExNSBTYWx0ZWRfXwnUpwC85+dfW F7bc1aXZVbxehg/jtPakxU85aC0c0NZW8qt4Vp8qqdnE3KEChDFenhY4gzZjT9b6V0botJJ3V5+ Qj8d8Fdg+GA1TOKJjSQAaF/28RAFIsydP3bFXqsSSLY3JBd3/DhZ0ZO/W9W19LDGARlzo5mo/Z8 GV5Z//BgNNnHgiu8aCDrAqVC5opPk8+ici1DxP2d1Coa6NxtQXR5NxyzmguOGJymULFXG0Pp+sa 8VSTlAt41n56mFUSjqZwvqMZabjNkWxWoC0ZTe7U+hcG7po93k6/i9S7+Z9/fOk+CPT3vx+1w/2 +EG8SFBZWlD62yXPyoAOnpHKeyV4E4US2oLsr0zwcBPNLxnmzQi1iUUbcj90DCAtJoX/7+DiWot H4YidpzZpnvLXM3K4qsRcXNdRPQ3FfRrLTC35WinFTZBcHdci47uDl+nNkSU0EYmiUyIItcv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-17_06,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 mlxlogscore=283 mlxscore=0 adultscore=0 phishscore=0 suspectscore=0 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506170115 On Thu, Jun 12, 2025 at 07:36:13PM +0200, Alexander Gordeev wrote: > Since commit b9ef323ea168 ("powerpc/64s: Disable preemption in hash > lazy mmu mode") a task can not be preempted while in lazy MMU mode. > Therefore, the batch re-activation code is never called, so remove it. > > Signed-off-by: Alexander Gordeev > --- > arch/powerpc/include/asm/thread_info.h | 2 -- > arch/powerpc/kernel/process.c | 25 ------------------------- > 2 files changed, 27 deletions(-) Hi All, (I trimmed non-ppc mailing lists/people). The whole series does not seem to make it, but this patch alone is still applicable and makes sence, if I am not mistaken. Thanks!