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Sun, 17 May 2026 02:11:00 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 1 X-BIZMAIL-ID: 17173971163173199362 EX-QQ-RecipientCnt: 22 From: Wentao Guan To: pschneider1968@googlemail.com Cc: achill@achill.org, akpm@linux-foundation.org, broonie@kernel.org, conor@kernel.org, f.fainelli@gmail.com, gregkh@linuxfoundation.org, guanwentao@uniontech.com, hargar@microsoft.com, jonathanh@nvidia.com, linux-kernel@vger.kernel.org, linux@roeck-us.net, lkft-triage@lists.linaro.org, patches@kernelci.org, patches@lists.linux.dev, pavel@nabladev.com, rwarsow@gmx.de, shuah@kernel.org, sr@sladewatkins.com, stable@vger.kernel.org, sudipm.mukherjee@gmail.com, torvalds@linux-foundation.org Subject: Re: [PATCH 6.6 000/474] 6.6.140-rc1 review Date: Sun, 17 May 2026 02:09:41 +0800 Message-Id: <20260516180941.704379-1-guanwentao@uniontech.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: 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=y Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpip:uniontech.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: NI2OMpepcF+sV3lX933JOwPntFy2mdA3O8SACWKVfK30ZS1DkGxllG5y qnyEerXEB9LOvXIKi3oycOZ6uhk9OQ55kyLbNpRZezMFh75XahWzhboiuh0Fn+aymH87RAb JoFgAUBtoVwG1UrVrX/J1RpqJPyzMsGWNsUWm2i6A4Pz7dA7g94vJu7mNroKCaOCTC5bCaa o7pNeJCBa3L590uLgUQ7Ac4CGmErrk0ofESvhXIjjqSIk3r4TVfiiQ8e4lAQjXh2Y5rLM+f fh0JL8D7atpSO+EPMsK/owsqXCDrGU6HsbOD5XwKjHCdjuEXkgjBidsA5FhDjtAn7nlQvfQ UfDRh/uLAVLbYY8Kt7/UeVXHpaEUw7ubFp5k2RxjsQHuS3Yc4sj7QzDR/0o/+eWeC5rF14t aTGC8GJSjOoup61flLkv/EFGtnre4tr7n6V38zWogcixpwrw1zkND0iZS6qFbTYeu6l/wX1 t/lb36Lt6eQsksrft0teWgod0X2SPt6VZKkDisT2IVZkjsSejCYyF346mmuUx6yuiCe/kHx HtucusbjqprjcdlXOA5r8it+LuB5MygrbSd2JtZLmdnNwg+aEsKZtdNJp5uUuBOOFb0sLCL lYA5bzkkxV3MUJq7qZxMMYqX+9bf9dQHtLVON81rhuESrWv2Wt5OTpNeqy8KKpg03NhnWPf bKpkKDu7SKr5tgNo8NW+dHJeOFmeY4txtr+agYOsw+Mn5zX/rr/XcZUeiqPE32ySe5/6w1+ XWup/+QkRGR8X9PdIj35T184g663x3B3jikNRwJf5gcfkkwkgM23KbZtuK5W3j4afUJqNok uNm/fHqHVz0Dod0JEaI8r95Q6O+pFFf6xKEB4QLH+U/JR5KIK/KOIa6A/HlRs6sSURQAoeS btxoVP/44qSf0M1TN5O2SC+WoWol5jdI/xzBs3Rq0g4ZZu84P3pfsbQAVHsK9IVE4jxRJmZ w1DDBTu6sSufWfCoUP97lQCzg6JzvtFPeK//WVLClpItXh5bwJz5kzh6rfa7HmhVDDlKDM6 GI+69aa6h7zhdWDL1sUiLDnzF1NEtDnqs5iALf4lch9QESw5q+tykb6MBeq6kpJWZiRnHK7 f7k9w2iuBm+TK8YF3qmjvoWc+0GYhN4PNfhPYuf5XSbe5sCkHRAG6ovWBaIrTLoMDdIwHVD sa0PmF7UMuRutFE= X-QQ-XMRINFO: OD9hHCdaPRBwH5bRRRw8tsiH4UAatJqXfg== X-QQ-RECHKSPAM: 0 >Am 16.05.2026 um 12:09 schrieb Greg KH: >> On Sat, May 16, 2026 at 03:07:14AM +0800, Wentao Guan wrote: >>> Build failed, you can drop the commit to build ok, same as 6.18.30-rc1: >>> git revert 14d9ce90cf4855d638ecbcdb0c208a144d6f991b.. >>> Revert "sched_ext: Use HK_TYPE_DOMAIN_BOOT to detect isolcpus= domain isolation" >>> >>> Tested-by: Wentao Guan >>> >>> BRs >>> Wentao Guan >>> >>> defconfigs: >>> https://gist.github.com/opsiff/a840ae9e3d6857f5b7bacb9cdc49f8e9 >>> >>> Log: >>> In file included from kernel/sched/build_policy.c:63: >>> kernel/sched/ext.c: In function ‘scx_ops_enable’: >>> kernel/sched/ext.c:5524:34: error: ‘HK_TYPE_DOMAIN_BOOT’ undeclared (first use in this function); did you mean ‘HK_TYPE_DOMAIN’? >>> 5524 | if (housekeeping_enabled(HK_TYPE_DOMAIN_BOOT)) { >>> | ^~~~~~~~~~~~~~~~~~~ >>> | HK_TYPE_DOMAIN >>> >>> missed HK_TYPE_DOMAIN_BOOT is introduced in this commit: >>> >>> commit 4fca0e550d506e1c95504c2d9247bc92bf621bf6 >>> Author: Frederic Weisbecker >>> Date: Mon May 26 13:06:21 2025 +0200 >>> >>> sched/isolation: Save boot defined domain flags >>> >>> HK_TYPE_DOMAIN will soon integrate not only boot defined isolcpus= CPUs >>> but also cpuset isolated partitions. >>> >>> Housekeeping still needs a way to record what was initially passed >>> to isolcpus= in order to keep these CPUs isolated after a cpuset >>> isolated partition is modified or destroyed while containing some of >>> them. >>> >>> Create a new HK_TYPE_DOMAIN_BOOT to keep track of those. >>> >>> Signed-off-by: Frederic Weisbecker >>> Reviewed-by: Phil Auld >>> Reviewed-by: Waiman Long >>> Cc: Ingo Molnar >>> Cc: Marco Crivellari >>> Cc: Michal Hocko >>> Cc: Peter Zijlstra >>> Cc: Tejun Heo >>> Cc: Thomas Gleixner >>> Cc: Vlastimil Babka >>> Cc: Waiman Long >>> >> >> Also dropped from here, thanks. My fault, I should have only backported >> this to 7.0.y as the commit itself said to. >> >> greg k-h > > >Now I really wonder why I didn't hit this build error with that patch included in 6.12.90-rc1... >Because I hit it in 6.18.32-rc! > >Let me check my .config ... > >Beste Grüße, >Peter Schneider Hello, I thought that 'CONFIG_SCHED_CLASS_EXT' is what you found, and it is depends include 'DEBUG_INFO_BTF' which depend pahole (maybe missed). BRs Wentao Guan