From: Youling Tang <tangyouling@loongson.cn>
To: Xi Ruoyao <xry111@xry111.site>
Cc: Huacai Chen <chenhuacai@kernel.org>,
Jinyang He <hejinyang@loongson.cn>,
Xuerui Wang <kernel@xen0n.name>,
loongarch@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 5/5] LoongArch: Add support for kernel address space layout randomization (KASLR)
Date: Fri, 17 Feb 2023 16:24:32 +0800 [thread overview]
Message-ID: <f3cf8395-b4fa-4530-0702-2d5a01dd06f4@loongson.cn> (raw)
In-Reply-To: <41b6c7b779c1c4d33c644c406f337e27e124adaa.camel@xry111.site>
On 02/17/2023 04:09 PM, Xi Ruoyao wrote:
> On Fri, 2023-02-10 at 16:47 +0800, Youling Tang wrote:
>
>> + /* Sync the caches ready for execution of new kernel
>> */
>> + __asm__ __volatile__ (
>> + "ibar 0 \t\n"
>> + "dbar 0 \t\n");
>
> I think we should add ::: "memory" here to prevent a future compiler
> from being too smart.
Got it.
Thanks,
Youling
>
> Otherwise LGTM.
>
prev parent reply other threads:[~2023-02-17 8:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-10 8:47 [PATCH v4 0/5] LoongArch: Add kernel relocation and KASLR support Youling Tang
2023-02-10 8:47 ` [PATCH v4 1/5] LoongArch: Use la.pcrel instead of la.abs when it's trivially possible Youling Tang
2023-02-10 9:04 ` Huacai Chen
2023-02-10 8:47 ` [PATCH v4 2/5] LoongArch: Use la.pcrel instead of la.abs for exception handlers Youling Tang
2023-02-10 9:09 ` Huacai Chen
2023-02-10 9:18 ` Youling Tang
2023-02-16 2:32 ` Youling Tang
2023-02-16 6:56 ` Huacai Chen
2023-02-16 6:59 ` Jinyang He
2023-02-16 7:10 ` Xi Ruoyao
2023-02-16 8:03 ` Youling Tang
2023-02-16 11:18 ` Youling Tang
2023-02-16 11:29 ` Youling Tang
2023-02-10 8:47 ` [PATCH v4 3/5] LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs Youling Tang
2023-02-10 8:47 ` [PATCH v4 4/5] LoongArch: Add support for kernel relocation Youling Tang
2023-02-10 9:05 ` Huacai Chen
2023-02-10 18:01 ` kernel test robot
2023-02-10 8:47 ` [PATCH v4 5/5] LoongArch: Add support for kernel address space layout randomization (KASLR) Youling Tang
2023-02-10 9:06 ` Youling Tang
2023-02-10 9:37 ` Youling Tang
2023-02-17 8:09 ` Xi Ruoyao
2023-02-17 8:24 ` Youling Tang [this message]
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