linux-kernel - Re: [PATCH v3 2/5] mm/madvise: Add MF_ACTION_REQUIRED to madvise(MADV

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Message-ID: <9a0d8716-a33b-8b11-9de6-9791aef6fb7b@huawei.com>
Date: Thu, 23 May 2024 09:54:54 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: Jane Chu <jane.chu@...cle.com>, <nao.horiguchi@...il.com>,
	<akpm@...ux-foundation.org>, <osalvador@...e.de>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/5] mm/madvise: Add MF_ACTION_REQUIRED to
 madvise(MADV_HWPOISON)

On 2024/5/22 7:54, Jane Chu wrote:
> The soft hwpoison injector via madvise(MADV_HWPOISON) operates in
> a synchrous way in a sense, the injector is also a process under
> test, and should it have the poisoned page mapped in its address
> space, it should get killed as much as in a real UE situation.
> Doing so align with what the madvise(2) man page says: "
> "This operation may result in the calling process receiving a SIGBUS
> and the page being unmapped."
> 
> Signed-off-by: Jane Chu <jane.chu@...cle.com>
> Reviewed-by: Oscar Salvador <oalvador@...e.de>

Acked-by: Miaohe Lin <linmiaohe@...wei.com>
Thanks.
.