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Groups > linux.debian.bugs.dist > #1214772
| From | xiao sheng wen(肖盛文) <atzlinux@sina.com> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1076483: [PATCH] cpufreq: intel_pstate: Make hwp_notify_lock a raw spinlock |
| Date | 2024-10-01 03:50 +0200 |
| Message-ID | <JsAbw-g5oY-1@gated-at.bofh.it> (permalink) |
| References | <JpGGt-ebBs-3@gated-at.bofh.it> <JsAbw-g5oY-3@gated-at.bofh.it> <JsAbw-g5oY-5@gated-at.bofh.it> <J133z-2EFt-9@gated-at.bofh.it> <JsAbw-g5oY-5@gated-at.bofh.it> |
| Organization | https://www.atzlinux.com |
Cross-posted to 2 groups.
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在 2024/9/28 19:51, Uwe Kleine-König 写道: > Hello, > > On Fri, Sep 27, 2024 at 03:47:08AM -0700, srinivas pandruvada wrote: >> On Thu, 2024-09-19 at 10:11 +0200, Uwe Kleine-König wrote: >>> notify_hwp_interrupt() is called via sysvec_thermal() -> >>> smp_thermal_vector() -> intel_thermal_interrupt() in hard irq >>> context. >>> For this reason it must not use a simple spin_lock that sleeps with >>> PREEMPT_RT enabled. So convert it to a raw spinlock. >>> >>> Reported-by: xiao sheng wen <atzlinux@sina.com> >>> Link: https://bugs.debian.org/1076483 >>> Signed-off-by: Uwe Kleine-König <ukleinek@debian.org> >> >> Missing Tested-by? > > Neither I nor anybody else did test that patch before I sent it to the > list (apart from a build test). I guess xiao sheng wen might have > replied with a Tested-by tag. Yes, I had tested this patch on my notebook(base on Debian kernel 6.10.11-1 (2024-09-22) source code). Work perfect! This bug exist in 6.9.9-rt-amd64 #1 Debian 6.9.9-1: https://linux-hardware.org/?probe=d57f4d29a8&log=dmesg This bug fixed in PREEMPT_RT atzlinux 6.10.11-1 (2024-09-22) with this patch: https://linux-hardware.org/?probe=de5a44374a&log=dmesg Tested-by: xiao sheng wen <atzlinux@sina.com> > >> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> > > Thanks > Uwe Regards, -- 肖盛文 xiao sheng wen Debian QA page: https://qa.debian.org/developer.php?login=atzlinux%40sina.com Debian salsa: https://salsa.debian.org/atzlinux-guest GnuPG Public Key: 0x00186602339240CB
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Bug#1076483: [PATCH] cpufreq: intel_pstate: Make hwp_notify_lock a raw spinlock xiao sheng wen(肖盛文) <atzlinux@sina.com> - 2024-10-01 03:50 +0200
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