From: Josh Poimboeuf <jpoimboe@kernel.org>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: jikos@kernel.org, mbenes@suse.cz, pmladek@suse.com,
joe.lawrence@redhat.com, song@kernel.org,
live-patching@vger.kernel.org
Subject: Re: [PATCH v7 for-next 2/8] livepatch: Call klp_init_patch_early() earlier
Date: Thu, 27 Aug 2026 16:57:09 -0700 [thread overview]
Message-ID: <apDOvYOV0DtouAVF@jpoimboe> (raw)
In-Reply-To: <20260825114641.80452-3-laoar.shao@gmail.com>
On Tue, Aug 25, 2026 at 07:46:35PM +0800, Yafang Shao wrote:
> Invoke klp_init_patch_early() during early initialization to avoid
> mixing for_each_() and for_each_*_static() variants later in the code.
>
> No functional change. This prepares the code for an upcoming patch.
>
> Suggested-by: Petr Mladek <pmladek@suse.com>
> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
> Acked-by: Song Liu <song@kernel.org>
> ---
> kernel/livepatch/core.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
> index c34306ecfb0b..3de3940d34b2 100644
> --- a/kernel/livepatch/core.c
> +++ b/kernel/livepatch/core.c
> @@ -1145,13 +1145,6 @@ int klp_enable_patch(struct klp_patch *patch)
>
> mutex_lock(&klp_mutex);
>
> - if (!klp_is_patch_compatible(patch)) {
> - pr_err("Livepatch patch (%s) is not compatible with the already installed livepatches.\n",
> - patch->mod->name);
> - mutex_unlock(&klp_mutex);
> - return -EINVAL;
> - }
> -
> if (!try_module_get(patch->mod)) {
> mutex_unlock(&klp_mutex);
> return -ENODEV;
> @@ -1159,6 +1152,14 @@ int klp_enable_patch(struct klp_patch *patch)
>
> klp_init_patch_early(patch);
>
> + if (!klp_is_patch_compatible(patch)) {
> + pr_err("Livepatch patch (%s) is not compatible with the already installed livepatches.\n",
> + patch->mod->name);
> + ret = -EINVAL;
> + goto err;
> + }
> +
> +
> ret = klp_init_patch(patch);
> if (ret)
> goto err;
Stray newline.
--
Josh
next prev parent reply other threads:[~2026-08-27 23:57 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-25 11:46 [PATCH v7 for-next 0/8] livepatch: Introduce replace set support Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 1/8] livepatch: Make klp_find_func() non static Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 2/8] livepatch: Call klp_init_patch_early() earlier Yafang Shao
2026-08-25 12:06 ` sashiko-bot
2026-08-25 12:11 ` Yafang Shao
2026-08-27 23:57 ` Josh Poimboeuf [this message]
2026-08-28 2:24 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 3/8] livepatch: Implement replace set for scoped atomic replace Yafang Shao
2026-08-25 11:59 ` sashiko-bot
2026-08-25 12:10 ` Yafang Shao
2026-08-28 0:26 ` Josh Poimboeuf
2026-08-28 3:03 ` Yafang Shao
2026-08-28 3:39 ` Josh Poimboeuf
2026-08-28 5:42 ` Yafang Shao
2026-09-02 7:31 ` Replace rules: was: " Petr Mladek
2026-09-02 9:40 ` Yafang Shao
2026-09-02 11:50 ` Yafang Shao
2026-09-03 10:01 ` Petr Mladek
2026-09-06 2:58 ` Yafang Shao
2026-09-03 9:27 ` Petr Mladek
2026-09-03 21:18 ` Song Liu
2026-09-02 7:34 ` documentation: " Petr Mladek
2026-09-02 9:50 ` Yafang Shao
2026-09-03 7:30 ` Petr Mladek
2026-09-02 7:37 ` code cleanup: " Petr Mladek
2026-09-02 9:52 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 4/8] livepatch: Deprecate stack_order Yafang Shao
2026-08-28 0:29 ` Josh Poimboeuf
2026-08-28 3:14 ` Yafang Shao
2026-09-02 12:01 ` Petr Mladek
2026-09-02 12:20 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 5/8] selftests/livepatch: Adapt atomic replace tests to provides/obsoletes Yafang Shao
2026-08-28 0:31 ` Josh Poimboeuf
2026-08-28 3:56 ` Yafang Shao
2026-09-02 13:45 ` Petr Mladek
2026-09-03 3:23 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 6/8] selftests/livepatch: Add provides/obsoletes test scenarios Yafang Shao
2026-09-02 15:15 ` Petr Mladek
2026-09-03 5:43 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 7/8] selftests/livepatch: Add test for state ID conflict across provides Yafang Shao
2026-09-02 15:25 ` Petr Mladek
2026-09-03 5:44 ` Yafang Shao
2026-08-25 11:46 ` [PATCH v7 for-next 8/8] selftests/livepatch: Add test for function " Yafang Shao
2026-09-02 15:51 ` Petr Mladek
2026-09-03 5:48 ` Yafang Shao
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