Messages in this thread | | | Date | Mon, 17 Apr 2023 13:24:36 +0200 | Subject | Re: [patch 00/37] cpu/hotplug, x86: Reworked parallel CPU bringup | From | Paul Menzel <> |
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[Correct David’s address]
Am 17.04.23 um 13:19 schrieb Paul Menzel: > Dear Thomas, > > > Am 15.04.23 um 01:44 schrieb Thomas Gleixner: > >> This is a complete rework of the parallel bringup patch series (V17) >> >> >> https://lore.kernel.org/lkml/20230328195758.1049469-1-usama.arif@bytedance.com >> >> to address the issues which were discovered in review: > > […] > > Thank you very much for your rework. > > I tested this on the ASUS F2A85-M PRO, and get a delay of ten seconds. > > ``` > […] > [ 0.258193] smpboot: CPU0: AMD A6-6400K APU with Radeon(tm) HD > Graphics (family: 0x15, model: 0x13, stepping: 0x1) > […] > [ 0.259329] smp: Bringing up secondary CPUs ... > [ 0.259527] x86: Booting SMP configuration: > [ 0.259528] .... node #0, CPUs: #1 > [ 0.261007] After schedule_preempt_disabled > [ 10.260990] CPU1 failed to report alive state > [ 10.261070] smp: Brought up 1 node, 1 CPU > [ 10.261073] smpboot: Max logical packages: 2 > [ 10.261074] smpboot: Total of 1 processors activated (7800.54 BogoMIPS) > [ 10.261601] devtmpfs: initialized > [ 10.261697] x86/mm: Memory block size: 128MB > ``` > > This delay has been there with v6.3-rc6-46-gde4664485abbc and some > custom (printk) patches on top and merging dwmw2/parallel-6.2-rc3-v16 > into it. I only tested this. I think dwmw2/parallel-6.2-v17 failed to > build for me, when trying to merge it into Linus’ master version at that > time. I didn’t come around to report it, and you posted your rework, so > I am replying here. > > I am going to try your branch directly in the next days, but just wanted > to report back already. > > > Kind regards, > > Paul
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