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Tue, 11 Aug 2026 10:09:45 +0000 (GMT) Received: from [9.124.216.233] (unknown [9.124.216.233]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 11 Aug 2026 10:09:45 +0000 (GMT) Message-ID: <79cb03c5-bbaf-48fe-bda2-97117c0c99ec@linux.ibm.com> Date: Tue, 11 Aug 2026 15:39:44 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/4] Improvements on SpinLockIrq patch series To: Boqun Feng , Peter Zijlstra Cc: Ingo Molnar , Will Deacon , Waiman Long , Gary Guo , Alice Ryhl , Lyude Paul , Daniel Almeida , =?UTF-8?Q?Onur_=C3=96zkan?= , Miguel Ojeda , Danilo Krummrich , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org References: <20260810085255.GE1642880@noisy.programming.kicks-ass.net> <20260811041714.27679-1-boqun@kernel.org> Content-Language: en-US From: Shrikanth Hegde In-Reply-To: <20260811041714.27679-1-boqun@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=RsP16imK c=1 sm=1 tr=0 ts=6a7af4ef cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=luyCOxGtPo5oDZEKwFUA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: yOcuSI1-l4_9Yul41tb5E1_Z3Ybdztt3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODExMDA4MyBTYWx0ZWRfX/w/cSGduAFfR TyGqPlpvP9G+zk9F50hlSykGg7o2/J6v+KD1nLRNe4wMdwrJ6Q3mn44NADkZOFWYbcdo2MxiDK6 8VeFImqbNLK8LT41iTpD1x5IZmvcAu9qhnRIcJQSG4+Re4aI47kwD/StNv6Llql8bbrsH7RoHNO FwNncYSLan2jOlUfa3vVMZ/s8Y/TOzyzB3KQKkmCjDbrBpPA9kG8oLKDyX8xU+BVCM9r8gECuQp zeAxeGxFfJolXuwL/gfckWinoORqknWRbv/KYSUtn3ucBegokNKaeQVmgnXYGJwzGHLPglb4z8I XVMvQM1uC6GaH2MEiDHC4vQ4a6D2uOOQ2lWyWeYUxLc5qobfooO5ScYSwwCkfbJp2dOj/aZGEoq pyfdF9/EjtRCUkgBgjhLb1bQXQiBlQ8a8Nyc3PQ5veVyrpdHW+1rK9Cz6TYectJvzQICHr+3slH pyiTKl46NxU7EeU5gOQ== X-Proofpoint-ORIG-GUID: L8wqBSyQmi3ue4GGdJsIG2NxWOC3xztb X-Proofpoint-Spam-Info: AW1haW4tMjYwODExMDA4MyBTYWx0ZWRfX+tFDDL9rjXl/ kwMmEWCwcGuPQrtMLgC/JLM9zZH5OTHSwb497qpDd160dOJ5LwVwGlzshKg0jKtUoJt0Tn8tOku 6fJCe0DyN4QuI4jPZRXF1UM4qhYA6dg= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-10_06,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 suspectscore=0 clxscore=1015 malwarescore=0 phishscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608110083 On 8/11/26 9:47 AM, Boqun Feng wrote: > Hi Peter, > > Per your request, I send those improvements as separate patches. I did a > very light build and unit tests. I'm still waiting for the 0day build > test report in case we missed something subtle, but figured maybe it's > better if I send them out while I'm waiting. > > Regards, > Boqun > > Boqun Feng (4): > irq: Add {over,under}flow detection for > local_interrupt_{enable,disable} > selftests/bpf: Use the new NMI_BITS definition > irq: Explain better on NMI_MASK overflow condition > irq: Add max local_interrupt_disable() nesting level kunit test case > > include/linux/hardirq.h | 2 +- > include/linux/interrupt_rc.h | 13 +++++++++++ > kernel/irq/refcount_interrupt_test.c | 22 +++++++++++++++++++ > .../testing/selftests/bpf/bpf_experimental.h | 2 +- > 4 files changed, 37 insertions(+), 2 deletions(-) > Looks good to me. Reviewed-by: Shrikanth Hegde