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[2003:cb:c70b:9c00:7978:3030:9d9a:1aef]) by smtp.gmail.com with ESMTPSA id f2-20020a056000128200b003062c0ef959sm3824392wrx.69.2023.06.21.01.24.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Jun 2023 01:24:46 -0700 (PDT) Message-ID: Date: Wed, 21 Jun 2023 10:24:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH] mm/memory_hotplug.c: don't fail hot unplug quite so eagerly From: David Hildenbrand To: John Hubbard , Oscar Salvador Cc: Andrew Morton , LKML , linux-mm@kvack.org References: <20230620011719.155379-1-jhubbard@nvidia.com> <80e01fa9-28c0-37e8-57f8-5bb4ce9a9db7@nvidia.com> <83689f25-ca50-7ece-45f0-a936e704df7d@redhat.com> Organization: Red Hat In-Reply-To: <83689f25-ca50-7ece-45f0-a936e704df7d@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: CFCC8160009 X-Rspam-User: X-Stat-Signature: 9wgmyua7mjkunkpsd1ma8wqjgusghr5d X-Rspamd-Server: rspam03 X-HE-Tag: 1687335890-480483 X-HE-Meta: U2FsdGVkX19e/SsboNTH5R/hygeo2DkmlUTiQLN9MAI+7qR1OIOCWEu+f1KnwkOuZ0BsWF5+Bbmj+SEp/0aamUXqA9IdjOlR/lS24mJG3ZKRrHoe/0kVxb+3TTBuORbRJ/9dn4zff6tth0jYelVgMyNYkFpDeYlhAx4/o4GulXzyBdDM0qXTN2cym48s5LJ0epOOrXRMoFy+o2NRklSCvl6L6/wb5Q9h9q54e9L9RYxn3g3xPepKTnBnsrE6p9nCJEhObFyUGQYYPJ3TuUCBScFaSU9hiCn3kik8fLeailKcJ3xY5a7Fr3S0JnFOPCfL9Nefg0L9maZxJAZykONjMaa1FjiRPLRV1sgDYnFUMjw7aS8p25jehq7NPdUnkP2AA637x7rKg0VRqRELrl7RETNi4Nrv++RVOknX9J2KXj7bjiKeOOIfs2/aafUrqYGLmimBkfI8ITpZLNgupOtdakn1awwjZnkYI9nLZQjxHHwAx9+mfDdEtnplFUrH+XWzH04kAFjmDOinByIHrRrlVxcIDhiqUhrOP4I4XXcYHP49Y92l9MCGvXuIPjSDYQfKOz4lPrl1LkXRcIoNY0LXAuBXvrkapJAN30PNmSwH6xzctagdn+XaAn3Qfr6p+s8BWCbMnfUIVYT5i9S2G9u9gFas8tS9IhST/pT9T0lG9DvKW+PaGBrUUhqoa+108j+j3BbE5SaQPNrU9uBZBkttfiE8OPF6gVt+/2rmBNSPsjCdJpwOIGWkHEzM8aCM1MUp6duXZfpc7xo9PWxREQ1wusaqAJmqBWQ0eE/5kGBcl3waehzXDdrwk9+7SAMDSj0woplZp2r22mzvaloecOXy4xErkYgnHY8FsroWJebNAa0bJgKmNbWDCbtrqyDZKx5KRBvZwVNiiLRePjfijTUx/Usq7teIECXaadMiGagSxNAuj/WXMvxs621wjvcdMqcfXdzeUXbWvj4A3jPFIWj jam2BaCC +bobxPswjWr4u6xpAaibPhbU+RuFGtDaJcr0inA7McVcnOgMZD7jufH0jpigskoCywqxfhgIyQ+Y7EXpp6PFN7Fz1ZhXfFk6cgQ2dkm9QCvgHk6v5ozk7BXYEzvkmla0j3o4QnZ2itYO5r9A8LkNRbWa1OVJgr/AOpRKWI3mrWSeCsp2QuJQmOmGTAX/LqtTwGfxZXltkRlHrTJcxOUdqg/Za8PuiCFhhTChaZ7sqgbWSvFZhser0OP3ZcipvYUbUr1ZMgyXDgHviuV+QnQcckIH6la462lElaR9OcNiJA/C2OInylmffLBg4d9OS8GiRh0WNtVpkN1vH0JcOug5+++TjYgL7p1KnlRwKs4ToGGytTNRhDgWip2+Rg3JcJLPLgtrKFyLnG75jFoY5lVkXtc+DmQNxzmTPLshOWsfmO0iZc/U= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: [...] > > There is still arch/powerpc/platforms/pseries/hotplug-memory.c that calls > device_offline() and would fail on signals (not sure if relevant, like for virtio-mem it > shouldn't be that relevant). Oh, and of course the ACPI-triggered device_offline(). -- Cheers, David / dhildenb