From nobody Wed Oct 8 18:25:02 2025 Received: from mail-yw1-f169.google.com (mail-yw1-f169.google.com [209.85.128.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D53EB2E1C41 for ; Wed, 25 Jun 2025 23:19:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750893560; cv=none; b=Z+AX38MwqKFeaoaB4xkl8qrSRSEdkQNf/kMk4JUpyRsajUifE6zqVC875pd6bVUjfM6Wm1guew30CqZU93ITukFLQX4Uk2rH6azNIii2s2BQmwJ837UNKZUwjD+OB2VvS6hXlCdp/iguBew7qpoBGjw2mBmibB/DyDQwwcB+nQ4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750893560; c=relaxed/simple; bh=0K/tRVmbaZ0VX6fH8M8cdhr3USMmOz4iPh58HsL+dDs=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QyzOM3PaLTI/2URjfWhB4QJLIsV3rRghZyYYyL8u1YBri6mxwl184oQvFPDh/rpl4UcSOfLmaXcbwsLrgz+n/D+6z1Q7kvdDRNh4RDHti1Hxg/67402CbK0AHCEa4hxg9+XPXRD/Re82XbBKoH3r//RaQd89Fo68I099SPhKvro= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=soleen.com; spf=pass smtp.mailfrom=soleen.com; dkim=pass (2048-bit key) header.d=soleen-com.20230601.gappssmtp.com header.i=@soleen-com.20230601.gappssmtp.com header.b=fZcXEyXH; arc=none smtp.client-ip=209.85.128.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=soleen.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=soleen.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=soleen-com.20230601.gappssmtp.com header.i=@soleen-com.20230601.gappssmtp.com header.b="fZcXEyXH" Received: by mail-yw1-f169.google.com with SMTP id 00721157ae682-70e4b1acf41so3714097b3.3 for ; Wed, 25 Jun 2025 16:19:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen-com.20230601.gappssmtp.com; s=20230601; t=1750893558; x=1751498358; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=/ZJDnzlkjFdal2Rjq5d+u9z1RQAbXbOPFvsyuVPVQrw=; b=fZcXEyXHF9NuvYm8Whls0JQk1JDl8m27PgnvY39aUbeV1Euuq9WgtTgh/xHZLi//YI BTaACvoBu5k510wQinRTpKUvGIIavm0n1sF1qxpz2c6delQeR6D5+fEoacCdF9bF570a xdIQ+RiSkCeTmcTZVapDE4eJptI3OLfLlf9sINNuYP8EeoR4+DN+i7lQOHu+eM0kFG36 hZiTLNjYhdgIuqOQtQakDtOzQ8MC3pfCK+EgXumz98J8VrRo+cpBTWcsU7cL1Ot5LpW+ GgWqy0q3zg1l8H8HIGy5PfBcgllc17jXLogviZhhNkswaIKuImunvyLFCdhbd3umzyX2 iOMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750893558; x=1751498358; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/ZJDnzlkjFdal2Rjq5d+u9z1RQAbXbOPFvsyuVPVQrw=; b=w8bAmQ2RKxVqPutUCAdScBAR/tvP6co5PWtXzWlHllerhVJxYsnpkc9NJRbsnd0bNf 7RHhDATm+h2lQYkrs/FzVDKw/cRRvMCZonpzphFvstNDADslvqfPPoT4qj6d5WFLgA2i TOP7vO7mFhumKt8HrZEnnZYunZMY2mf9dbrjKZELUM1ltGHMTfdryBYl+k6s60tfgRrl sCXEKZkSRUMsNXYE+VxmEnrGWCNK1Y7L0P0oUzzXhCr6JagX33rCcMeRFpB5234zbBQF XUslkFRkXAl04lbr7MOuoT6Wi4tHkRF/KmdndjPkB9ezR4iJnqJZzaA7ZwqsVLqhwk3R Eflw== X-Forwarded-Encrypted: i=1; AJvYcCUB8noz9D3YGoTGjdlzcYe7ErBVjai8gcOrY9ZHDjeKRUleBc8F/GITS+Z+G/Js+uXNJB/p21nsXBirsxk=@vger.kernel.org X-Gm-Message-State: AOJu0YzVP5FiuRfLCS5f/XYMSh18DOJVtKrzDNXzmC0rK9ZuPF4fTMbm CxWHCRu76u3wFSh7W8eaMKsGOQStMLNz99ZWeZLKN7XgCB8SQHZv3GIlBp8onQk6TzI= X-Gm-Gg: ASbGncuuq8vFLCvP/XYVO56v+VYDnx2haRLG76jHYviluoympwvBD3/1QVS1lS4kQ+u E7RI0jyAd0VHbjar/6tO6dKHLGzAoLPeUpPwoBMpwpDLebWP+38hrXat4iUPMQZxAuKQzhsisK4 /6HcbbE8RMItuX0DVI/upFbKC1dqaXkEYku2wcK5kS93wuR1ykmUT8ZTQRmEMxpxYap5LSWw+gI Z5zbi/XUjmFenmbKyxHlTNtbjRPOUpML2YoC0yt2UCtLNLNwsx9y+VrNIvwTDjPmvh2hhog0rx4 tq9b949o9OB1C+1uVkvtkzFKwGpx9MfMcZ5EOUhdKcV9xle1pnufYScZ4xUroDOy+sw1ZwcSk1v S90otM1JIA0xceW5W2hxdh8duka579SES0i7j+lRwwxi4l0EbQMrb X-Google-Smtp-Source: AGHT+IEy6gDp+TLxoQz7i8XJK92N1YqMToyOrPaa/RNISf+e+ji+erXXV1um4VBOajJ98t+L3IMAZw== X-Received: by 2002:a05:690c:6089:b0:70e:1474:63f2 with SMTP id 00721157ae682-71406c7cfb8mr66969267b3.7.1750893557847; Wed, 25 Jun 2025 16:19:17 -0700 (PDT) Received: from soleen.c.googlers.com.com (64.167.245.35.bc.googleusercontent.com. [35.245.167.64]) by smtp.gmail.com with ESMTPSA id 3f1490d57ef6-e842ac5c538sm3942684276.33.2025.06.25.16.19.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jun 2025 16:19:17 -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 Subject: [PATCH v1 20/32] kho: move kho debugfs directory to liveupdate Date: Wed, 25 Jun 2025 23:18:07 +0000 Message-ID: <20250625231838.1897085-21-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog In-Reply-To: <20250625231838.1897085-1-pasha.tatashin@soleen.com> References: <20250625231838.1897085-1-pasha.tatashin@soleen.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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/k= exec_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" =20 -static struct dentry *debugfs_root; +struct dentry *liveupdate_debugfs_root; =20 struct fdt_debugfs { struct list_head list; @@ -120,7 +121,7 @@ __init void kho_in_debugfs_init(struct kho_debugfs *dbg= , const void *fdt) =20 INIT_LIST_HEAD(&dbg->fdt_list); =20 - dir =3D debugfs_create_dir("in", debugfs_root); + dir =3D debugfs_create_dir("in", liveupdate_debugfs_root); if (IS_ERR(dir)) { err =3D PTR_ERR(dir); goto err_out; @@ -180,7 +181,7 @@ __init int kho_out_debugfs_init(struct kho_debugfs *dbg) =20 INIT_LIST_HEAD(&dbg->fdt_list); =20 - dir =3D debugfs_create_dir("out", debugfs_root); + dir =3D debugfs_create_dir("out", liveupdate_debugfs_root); if (IS_ERR(dir)) return -ENOMEM; =20 @@ -214,8 +215,8 @@ __init int kho_out_debugfs_init(struct kho_debugfs *dbg) =20 __init int kho_debugfs_init(void) { - debugfs_root =3D debugfs_create_dir("kho", NULL); - if (IS_ERR(debugfs_root)) + liveupdate_debugfs_root =3D 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_inter= nal.h index 8fef414e7e3e..fbb9c6642d19 100644 --- a/kernel/liveupdate/luo_internal.h +++ b/kernel/liveupdate/luo_internal.h @@ -40,4 +40,8 @@ void luo_sysfs_notify(void); static inline void luo_sysfs_notify(void) {} #endif =20 +#ifdef CONFIG_KEXEC_HANDOVER_DEBUG +extern struct dentry *liveupdate_debugfs_root; +#endif + #endif /* _LINUX_LUO_INTERNAL_H */ --=20 2.50.0.727.gbf7dc18ff4-goog