From: "Luck, Tony" <tony.luck@intel.com>
To: "Jiaqi Yan" <jiaqiyan@google.com>,
"HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>
Cc: "Hsiao, Duen-wen" <duenwen@google.com>,
"rientjes@google.com" <rientjes@google.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"shy828301@gmail.com" <shy828301@gmail.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"wangkefeng.wang@huawei.com" <wangkefeng.wang@huawei.com>
Subject: RE: [PATCH v1 0/3] Introduce per NUMA node memory error statistics
Date: Tue, 17 Jan 2023 18:33:51 +0000 [thread overview]
Message-ID: <IA1PR11MB607660CEAFCF549553ACE40CFCC69@IA1PR11MB6076.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CACw3F538oN-eUktCNQ+VeFey1tNSzsd=wOQrkihXdFZvBM4zeg@mail.gmail.com>
> For SRAO signaled via **machine check exception**, my reading of the
> current x86 MCE code is this:
...
> 3) therefore, do_machine_check just skips kill_me_now or
> kill_me_maybe, and directly goto out:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/cpu/mce/core.c#n1539
That does appear to be what we do. But it looks like a regression from older
behavior. An SRAO machine check *ought* to call memory_failure() without
the MF_ACTION_REQUIRED bit set in flags.
-Tony
next prev parent reply other threads:[~2023-01-17 18:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 19:38 Jiaqi Yan
2023-01-16 19:39 ` [PATCH v1 1/3] mm: memory-failure: Add memory failure stats to sysfs Jiaqi Yan
2023-01-16 20:15 ` Andrew Morton
2023-01-17 9:14 ` HORIGUCHI NAOYA(堀口 直也)
2023-01-19 21:16 ` Jiaqi Yan
2023-01-17 9:02 ` HORIGUCHI NAOYA(堀口 直也)
2023-01-16 19:39 ` [PATCH v1 2/3] mm: memory-failure: Bump memory failure stats to pglist_data Jiaqi Yan
2023-01-16 20:16 ` Andrew Morton
2023-01-17 9:03 ` HORIGUCHI NAOYA(堀口 直也)
2023-01-18 23:05 ` Jiaqi Yan
2023-01-19 6:40 ` HORIGUCHI NAOYA(堀口 直也)
2023-01-19 18:05 ` Jiaqi Yan
2023-01-16 19:39 ` [PATCH v1 3/3] mm: memory-failure: Document memory failure stats Jiaqi Yan
2023-01-16 20:13 ` [PATCH v1 0/3] Introduce per NUMA node memory error statistics Andrew Morton
2023-01-16 21:52 ` Jiaqi Yan
2023-01-17 9:18 ` HORIGUCHI NAOYA(堀口 直也)
2023-01-17 17:51 ` Jiaqi Yan
2023-01-17 18:33 ` Luck, Tony [this message]
2023-01-18 17:31 ` Jiaqi Yan
2023-01-18 17:50 ` Luck, Tony
2023-01-18 23:33 ` Jiaqi Yan
2023-01-19 4:52 ` HORIGUCHI NAOYA(堀口 直也)
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