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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2024 22:50:05.5966 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3da8d038-0d9c-49f3-cfb8-08dc6ee809eb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF00000140.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7546 X-Stat-Signature: 49jzjkxztu1eu1a7eeihdmxuzurqw6dq X-Rspamd-Queue-Id: 988F120008 X-Rspamd-Server: rspam10 X-Rspam-User: X-HE-Tag: 1715122211-16166 X-HE-Meta: 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 WN2YNppg AUERGPQEGQdW94P7R+VOcUiiDGDMDThVao/ybtWv/sdzfod/LMM7KyC7XshTo47oHrxRfi+4rj8bK4wKe55iGfcYQNW8XhBBJ7v6/fTZddolc0Am1kqFJPjb+WEmji85SOXeCjcab5HwN8kRFmg1+mAY37m3eTHfoK3faWt7o4jszPQg7yAsCBsnoN1g3O5+9XZRLlXC2WtZ0pCG6bQYjyo+J/PkGtsyqzG9NvBBh2VhCj404eXHwXQ6ccFzuo5uAmGdIbbMtjnxvHqno0UODv/Zsttw6eZjnTTk8q59ux6oRnm3Lk6LOQBo1G8KhS4+ETuV1CqiCeVqPJ2y0KAx/h3eJ2n8YvPuRuksJHtKTVmvj3yYTUT0CSi7HuXxtRJtnCb5qTBuGii36ZtzO0BTUOjUsN27S9WPTuFmt X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 5/7/24 11:15 AM, Axel Rasmussen wrote: > On Tue, May 7, 2024 at 11:11 AM John Hubbard wrote: >> >> On 5/7/24 11:08 AM, Axel Rasmussen wrote: >>> On Tue, May 7, 2024 at 9:43 AM David Hildenbrand wrote: >> ... >>>>> That thread seems to have stalled. >>>> >>>> Yes, there was no follow-up. >>> >>> Apologies, I had completely forgotten about this. I blame the weekend. :) >>> >>> No objections from me to the simple rate limiting proposed here, if >>> useful you can take: >>> >>> Acked-by: Axel Rasmussen >>> >>> But, it seems to me the earlier proposal may still be useful. >>> Specifically, don't print at all for "synthetic" poisons from >>> UFFDIO_POISON or similar mechanisms. This way, "real" errors aren't >>> gobbled up by the ratelimit due to spam from "synthetic" errors. If >>> folks agree, I can *actually* send a patch this time. :) >>> >> >> That sounds good to me. (Should it also rate limit, though? I'm leaning >> toward yes.) > > I believe the proposal so far was, simulated poisons aren't really > "global" events, and are only relevant to the process itself. So don't > send them to the global kernel log at all, and instead let the process > do whatever it wants with them (e.g. it could print something when it > receives a signal, perhaps with rate limiting). OK. And seeing as how I'm not (at all) in alignment with Borislav on where to apply rate limiting, we'd better go with your approach. thanks, -- John Hubbard NVIDIA