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AJvYcCXCRp2aw/+57FsluZo9BhOM9mvgoyMavNzOiO3+YYJDQwq36PpPVd6gi8yvcR0YjYFNTdyiOwp+rg==@kvack.org X-Gm-Message-State: AOJu0Ywh4WSEVuc33CZL3rzvWgeloA0zYUe8CO68ySSfOqTqMQ9wqLXF IJd2xY3TIkmdfj2m8yR6i+3syWE8GU0fJcamCYwzRAK1U+5RAk0FaywUXh8WUIINknhdQzeOOyW 52x4IX0YlPifXdhEyaE0a5rGIl4Ay6WF9c/dZhfKh/w== X-Gm-Gg: ASbGncuFIgrP9EJLm9XXSyqqDL6u4nwDajUsDb5QvfeCQir6uINqcJnoA7n1+73p4x+ TfWQIpVeO4TRGSC80O//pJSv6L2simhrMqGOJUE6llNgwu/DrHzoGQIbeHT2XDuYF/mVAcyFFaA +euauTOs54+Dq2c6RcgHkZQYBKQKVHYXJr/JK5tau5ARIHh1iiULMKt97l0s88ya0LzeSLd3PB9 hwuD+6ItZ2p/WEiVJ3zmaE2nRNgvTS0ErDK7f64dum5RqIClgEq7j93bQ== X-Google-Smtp-Source: AGHT+IHqo0cWs4d/0+ME7Pp4LbR8c7We/VnufInTVc25I/poQ6OzmFZFO8BkwH4hrLb9dn8NI1Qgpj2DiapmSAwzhV0= X-Received: by 2002:aa7:c9c4:0:b0:640:e7bc:d3ce with SMTP id 4fb4d7f45d1cf-64334cf0fa3mr536431a12.11.1762980090000; Wed, 12 Nov 2025 12:41:30 -0800 (PST) MIME-Version: 1.0 References: <20251107210526.257742-1-pasha.tatashin@soleen.com> <20251107210526.257742-23-pasha.tatashin@soleen.com> In-Reply-To: From: Pasha Tatashin Date: Wed, 12 Nov 2025 15:40:53 -0500 X-Gm-Features: AWmQ_bn7hzYlz1CnwhflDe9tj18uCKgXHbii3rFfCz-B6efDQe-vtqY1VtpWQlg Message-ID: Subject: Re: [PATCH v5 22/22] tests/liveupdate: Add in-kernel liveupdate test To: Mike Rapoport Cc: pratyush@kernel.org, jasonmiu@google.com, graf@amazon.com, dmatlack@google.com, rientjes@google.com, corbet@lwn.net, rdunlap@infradead.org, ilpo.jarvinen@linux.intel.com, kanie@linux.alibaba.com, ojeda@kernel.org, aliceryhl@google.com, masahiroy@kernel.org, akpm@linux-foundation.org, tj@kernel.org, yoann.congal@smile.fr, mmaurer@google.com, roman.gushchin@linux.dev, chenridong@huawei.com, axboe@kernel.dk, mark.rutland@arm.com, jannh@google.com, vincent.guittot@linaro.org, hannes@cmpxchg.org, dan.j.williams@intel.com, david@redhat.com, joel.granados@kernel.org, rostedt@goodmis.org, anna.schumaker@oracle.com, song@kernel.org, zhangguopeng@kylinos.cn, linux@weissschuh.net, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, gregkh@linuxfoundation.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, rafael@kernel.org, dakr@kernel.org, bartosz.golaszewski@linaro.org, cw00.choi@samsung.com, myungjoo.ham@samsung.com, yesanishhere@gmail.com, Jonathan.Cameron@huawei.com, quic_zijuhu@quicinc.com, aleksander.lobakin@intel.com, ira.weiny@intel.com, andriy.shevchenko@linux.intel.com, leon@kernel.org, lukas@wunner.de, bhelgaas@google.com, wagi@kernel.org, djeffery@redhat.com, stuart.w.hayes@gmail.com, ptyadav@amazon.de, lennart@poettering.net, brauner@kernel.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, saeedm@nvidia.com, ajayachandra@nvidia.com, jgg@nvidia.com, parav@nvidia.com, leonro@nvidia.com, witu@nvidia.com, hughd@google.com, skhawaja@google.com, chrisl@kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D3AD810000C X-Stat-Signature: yntiekaxp1jcqjbs3ojfyhx5ddgu688f X-HE-Tag: 1762980091-226448 X-HE-Meta: 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 5d8Fcyb3 56EgfgDqk5dWrDMyTkw8VojZVi1KV4lKdxyARdq9iA9S+3lgBiSa0fqT66cJqnsLJ1bmNRhTKO/lc+SE0xo33wqPpef736SJAVIOXcG430/w1PBuWMcc52w+g++7GHPXBH2L6Xsy1sPfwlGTR4pMLpJVAMdAtPQuPLRzFoSm6NuwwGJg5b7Onqntc0oxCLpbl4X3lpKS1+Smb/oj6y3axQliLQtqZpTUndqnqyng+/BrqBOduYqweX7/31vR1h759H3NZwxiSLE6dbxfR5FQqvd55ykSnFhB24r6YSNszYjvw/DETvspZI7Wf7QK3A5MnEfV/vbfd6CUFlVXYLWvaQn1zxg== 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 Wed, Nov 12, 2025 at 3:24=E2=80=AFPM Mike Rapoport wro= te: > > On Fri, Nov 07, 2025 at 04:03:20PM -0500, Pasha Tatashin wrote: > > Introduce an in-kernel test module to validate the core logic of the > > Live Update Orchestrator's File-Lifecycle-Bound feature. This > > provides a low-level, controlled environment to test FLB registration > > and callback invocation without requiring userspace interaction or > > actual kexec reboots. > > > > The test is enabled by the CONFIG_LIVEUPDATE_TEST Kconfig option. > > > > Signed-off-by: Pasha Tatashin > > --- > > kernel/liveupdate/luo_file.c | 2 + > > kernel/liveupdate/luo_internal.h | 8 ++ > > lib/Kconfig.debug | 23 ++++++ > > lib/tests/Makefile | 1 + > > lib/tests/liveupdate.c | 130 +++++++++++++++++++++++++++++++ > > 5 files changed, 164 insertions(+) > > create mode 100644 lib/tests/liveupdate.c > > > > diff --git a/kernel/liveupdate/luo_file.c b/kernel/liveupdate/luo_file.= c > > index 713069b96278..4c0a75918f3d 100644 > > --- a/kernel/liveupdate/luo_file.c > > +++ b/kernel/liveupdate/luo_file.c > > @@ -829,6 +829,8 @@ int liveupdate_register_file_handler(struct liveupd= ate_file_handler *fh) > > INIT_LIST_HEAD(&fh->flb_list); > > list_add_tail(&fh->list, &luo_file_handler_list); > > > > + liveupdate_test_register(fh); > > + > > Do it mean that every flb user will be added here? No, FLB users will use: liveupdate_register_flb() from various subsystems. This liveupdate_test_register() is only to allow kernel test to register test-FLBs to every single file-handler for in-kernel testing purpose only. Pasha