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b=Ua7oM8fD2K3FMaghCaMTRd9ndhsONSrpG8JtFqKFRH7QkzZYnNXA15wEiVNRYcXDG /ZrdAvrUX1dtBFeRhboJ87hFl8Lzk2RKkMo+bHOPOlIZFAoDm3FUFDBYiwNrXbzbiD o5PqeyWU4ITidvmG4Pin2asL7HiPpAK5VRQp/lO2O9dQyJoeQua+dNbvzRJ8i0iXzw 17K2T8spJdWwbNdFEGl73ma9zW0rwXlPoPHGDVLapHBQ+CXK8paHtxovCMXXD2WYB6 AqVhpfGAghihIMoozPSch1/UiP0HFf8Obo5ajBAhbOVNVfIEePRmHOtVNCEyx3kiUa Jdp96m58i4GhA== From: Pratyush Yadav To: Pasha Tatashin Cc: linux-kselftest@vger.kernel.org, rppt@kernel.org, shuah@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, vipinsh@google.com, linux-kernel@vger.kernel.org, dmatlack@google.com, kexec@lists.infradead.org, pratyush@kernel.org, graf@amazon.com Subject: Re: [PATCH v2 2/2] selftests: liveupdate: Add tests for LIVEUPDATE_SESSION_FREEZE In-Reply-To: <20261020144710.4154339-3-pasha.tatashin@soleen.com> (Pasha Tatashin's message of "Tue, 20 Oct 2026 10:47:04 -0400") References: <20261020144710.4154339-1-pasha.tatashin@soleen.com> <20261020144710.4154339-3-pasha.tatashin@soleen.com> Date: Wed, 21 Oct 2026 12:17:16 +0200 Message-ID: <2vxzzew7fjdf.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: B2BCC40002 X-Stat-Signature: nztasd9uf1ojaatqkbobdg6ztxd3efq1 X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=4.0.1 X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1792577841-916834 X-HE-Meta: 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 UgfUuJnE WcEFkYNfnvsyf+TXPZf1FOYtLEuvOv5GFF1aKD4xgqRadI0OHwHMNfNH9iRefFMBrw12aWsedBn8U+NovsQO/dDou3KYL7HCdF2Fvec8vkNgiNbKOpaa7+3BZR9Uj9fBbyem68VC0bnPHL5dJAnyt9RAgRF1Tqwf79M0YlIoPR6F9iec9fmzVMrHYk8h16HncreI1k/y9W2AZNbY2TpijT4eIhdDEHjAvartRiJB4IvII8DgMPROZ6xp5sK710c4TOZSHAARo4AtQvGa6ysvXicskF8mB4OPW1M4uz9XJZMRxK09Gp1SKB0ir8/Gc0sPI03NKh2ygAmwjoOq4iIg3TDB4cTKxw8ZsingytgbvichuRv8kra/ynRBQ1iW9v/dZcsL5cFol5gpGTsQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Tue, Oct 20 2026, Pasha Tatashin wrote: > Provide luo_session_freeze() in the liveupdate test library and add unit > tests in liveupdate.c covering the LIVEUPDATE_SESSION_FREEZE ioctl. The > tests verify that non-zero reserved bits are rejected with -EINVAL, an > outgoing session with preserved files can be frozen early, freezing an > already frozen session returns -EBUSY, and attempting to preserve an > additional file descriptor into a frozen session fails with -EBUSY. > > Also freeze the test session early in luo_kexec_simple.c to exercise > LIVEUPDATE_SESSION_FREEZE across a kexec reboot, and verify that > attempting to freeze a retrieved incoming session returns -EINVAL. > > Signed-off-by: Pasha Tatashin Reviewed-by: Pratyush Yadav [...] -- Regards, Pratyush Yadav