From: Xi Ruoyao <xry111@xry111.site>
To: Youling Tang <tangyouling@loongson.cn>,
Huacai Chen <chenhuacai@kernel.org>,
Jinyang He <hejinyang@loongson.cn>
Cc: Xuerui Wang <kernel@xen0n.name>,
loongarch@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 4/5] LoongArch: Add support for kernel relocation
Date: Fri, 17 Feb 2023 16:02:25 +0800 [thread overview]
Message-ID: <5ac82f53aeb6a040be90eac2be7c64055e62f0ef.camel@xry111.site> (raw)
In-Reply-To: <1676618789-20485-5-git-send-email-tangyouling@loongson.cn>
On Fri, 2023-02-17 at 15:26 +0800, Youling Tang wrote:
> This config allows to compile kernel as PIE and to relocate it at
> any virtual address at runtime: this paves the way to KASLR.
> Runtime relocation is possible since relocation metadata are embedded
> into the kernel.
>
> Signed-off-by: Youling Tang <tangyouling@loongson.cn>
> Signed-off-by: Xi Ruoyao <xry111@xry111.site> # Use arch_initcall
> Signed-off-by: Jinyang He <hejinyang@loongson.cn> # Provide la_abs idea
Use Suggested-by if only "idea" is provided.
> +struct rela_la_abs {
> + long offset;
> + long symvalue;
> +};
Use one tab instead of two for the indent.
Otherwise LGTM.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
next prev parent reply other threads:[~2023-02-17 8:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-17 7:26 [PATCH v5 0/5] LoongArch: Add kernel relocation and KASLR support Youling Tang
2023-02-17 7:26 ` [PATCH v5 1/5] LoongArch: Use la.pcrel instead of la.abs when it's trivially possible Youling Tang
2023-02-17 7:26 ` [PATCH v5 2/5] LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs Youling Tang
2023-02-17 7:26 ` [PATCH v5 3/5] LoongArch: Add la_abs macro implementation Youling Tang
2023-02-17 7:26 ` [PATCH v5 4/5] LoongArch: Add support for kernel relocation Youling Tang
2023-02-17 8:02 ` Xi Ruoyao [this message]
2023-02-17 8:13 ` Youling Tang
2023-02-17 7:26 ` [PATCH v5 5/5] LoongArch: Add support for kernel address space layout randomization (KASLR) Youling Tang
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