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[34.85.247.235]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-7077cde5a01sm92969046d6.70.2025.08.06.18.45.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Aug 2025 18:45:17 -0700 (PDT) From: Pasha Tatashin To: pratyush@kernel.org, jasonmiu@google.com, graf@amazon.com, changyuanl@google.com, pasha.tatashin@soleen.com, rppt@kernel.org, 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 Subject: [PATCH v3 21/30] kho: move kho debugfs directory to liveupdate Date: Thu, 7 Aug 2025 01:44:27 +0000 Message-ID: <20250807014442.3829950-22-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog In-Reply-To: <20250807014442.3829950-1-pasha.tatashin@soleen.com> References: <20250807014442.3829950-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 438C6A0003 X-Stat-Signature: 86hjk6to7ts75hh6a47pd5t36yxjwkwz X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1754531119-208342 X-HE-Meta: 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 eLHKnQQw rPgJNP4phyQRz1uSxVVoUklZ3gjNEM4XWnRLENqfPNFxVneZyxNckvmPkpPExpcdLs76mXQjiMWtV3WFMhRr4aiXpV6xcgqU7W4A/ZrdhPfQzu8zt2xjmxCva9OJw20fq8BeEzaBq/gYasQgk4REkEhTz78jAa/Cg/MlY6FKbNtXHH8zwxJJPNCvJAQn7Tsob2dva436CJmGmOT/MKyvGM5oBc0bs7EHUL8xQf05Jio78ANx8i4bJ3DmLtOE7s0qgFWfjTGLOHN1/GyslxrqCgtTWrn2C0tLCpNfOWsuJYf0hPtUO78eK28FoC1qBQKUHqqVwbEYtoxWOqp8v6I3MH/I52K+m+82KSBTpY6nDSMSBjH8= 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: Now, that LUO and KHO both live under kernel/liveupdate, it makes sense to also move the kho debugfs files to liveupdate/ The old names: /sys/kernel/debug/kho/out/ /sys/kernel/debug/kho/in/ The new names: /sys/kernel/debug/liveupdate/kho_out/ /sys/kernel/debug/liveupdate/kho_in/ Also, export the liveupdate_debufs_root, so LUO selftests could use it as well. Signed-off-by: Pasha Tatashin --- kernel/liveupdate/kexec_handover_debug.c | 11 ++++++----- kernel/liveupdate/luo_internal.h | 4 ++++ 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/kernel/liveupdate/kexec_handover_debug.c b/kernel/liveupdate/kexec_handover_debug.c index af4bad225630..f06d6cdfeab3 100644 --- a/kernel/liveupdate/kexec_handover_debug.c +++ b/kernel/liveupdate/kexec_handover_debug.c @@ -14,8 +14,9 @@ #include #include #include "kexec_handover_internal.h" +#include "luo_internal.h" -static struct dentry *debugfs_root; +struct dentry *liveupdate_debugfs_root; struct fdt_debugfs { struct list_head list; @@ -120,7 +121,7 @@ __init void kho_in_debugfs_init(struct kho_debugfs *dbg, const void *fdt) INIT_LIST_HEAD(&dbg->fdt_list); - dir = debugfs_create_dir("in", debugfs_root); + dir = debugfs_create_dir("in", liveupdate_debugfs_root); if (IS_ERR(dir)) { err = PTR_ERR(dir); goto err_out; @@ -180,7 +181,7 @@ __init int kho_out_debugfs_init(struct kho_debugfs *dbg) INIT_LIST_HEAD(&dbg->fdt_list); - dir = debugfs_create_dir("out", debugfs_root); + dir = debugfs_create_dir("out", liveupdate_debugfs_root); if (IS_ERR(dir)) return -ENOMEM; @@ -214,8 +215,8 @@ __init int kho_out_debugfs_init(struct kho_debugfs *dbg) __init int kho_debugfs_init(void) { - debugfs_root = debugfs_create_dir("kho", NULL); - if (IS_ERR(debugfs_root)) + liveupdate_debugfs_root = debugfs_create_dir("liveupdate", NULL); + if (IS_ERR(liveupdate_debugfs_root)) return -ENOENT; return 0; } diff --git a/kernel/liveupdate/luo_internal.h b/kernel/liveupdate/luo_internal.h index 9091ed04c606..78bea012c383 100644 --- a/kernel/liveupdate/luo_internal.h +++ b/kernel/liveupdate/luo_internal.h @@ -53,4 +53,8 @@ void luo_sysfs_notify(void); static inline void luo_sysfs_notify(void) {} #endif +#ifdef CONFIG_KEXEC_HANDOVER_DEBUG +extern struct dentry *liveupdate_debugfs_root; +#endif + #endif /* _LINUX_LUO_INTERNAL_H */ -- 2.50.1.565.gc32cd1483b-goog