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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Chen Zhongjin <chenzhongjin@huawei.com>
Cc: alexander.sverdlin@nokia.com, ardb@kernel.org,
	linus.walleij@linaro.org, nico@fluxnic.net,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] ARM: module: Add all unwind tables when load module
Date: Tue, 17 May 2022 15:19:00 +0100	[thread overview]
Message-ID: <YoOu1Ng53Tv/ec0d@shell.armlinux.org.uk> (raw)
In-Reply-To: <20220401131534.241205-1-chenzhongjin@huawei.com>

Hi,

On Fri, Apr 01, 2022 at 09:15:34PM +0800, Chen Zhongjin wrote:
>  struct mod_arch_specific {
>  #ifdef CONFIG_ARM_UNWIND
> -	struct unwind_table *unwind[ARM_SEC_MAX];
> +	struct unwind_table unwind_list;

Why is this not a:

	struct list_head unwind_list;

because, from what I can tell, the _only_ member that is used in this
struct unwind_table is the "mod_list" member - so everything else is
entirely unused and redundant.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Chen Zhongjin <chenzhongjin@huawei.com>
Cc: alexander.sverdlin@nokia.com, ardb@kernel.org,
	linus.walleij@linaro.org, nico@fluxnic.net,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] ARM: module: Add all unwind tables when load module
Date: Tue, 17 May 2022 15:19:00 +0100	[thread overview]
Message-ID: <YoOu1Ng53Tv/ec0d@shell.armlinux.org.uk> (raw)
In-Reply-To: <20220401131534.241205-1-chenzhongjin@huawei.com>

Hi,

On Fri, Apr 01, 2022 at 09:15:34PM +0800, Chen Zhongjin wrote:
>  struct mod_arch_specific {
>  #ifdef CONFIG_ARM_UNWIND
> -	struct unwind_table *unwind[ARM_SEC_MAX];
> +	struct unwind_table unwind_list;

Why is this not a:

	struct list_head unwind_list;

because, from what I can tell, the _only_ member that is used in this
struct unwind_table is the "mod_list" member - so everything else is
entirely unused and redundant.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

  parent reply	other threads:[~2022-05-17 14:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-01 13:15 [PATCH v4] ARM: module: Add all unwind tables when load module Chen Zhongjin
2022-04-01 13:15 ` Chen Zhongjin
2022-04-11  2:26 ` Chen Zhongjin
2022-04-11  2:26   ` Chen Zhongjin
2022-04-20  3:37 ` Chen Zhongjin
2022-04-20  3:37   ` Chen Zhongjin
2022-04-28 22:45 ` Linus Walleij
2022-04-28 22:45   ` Linus Walleij
2022-04-29  3:17   ` Chen Zhongjin
2022-04-29  3:17     ` Chen Zhongjin
2022-05-17 14:19 ` Russell King (Oracle) [this message]
2022-05-17 14:19   ` Russell King (Oracle)
2022-05-20  7:53   ` Chen Zhongjin
2022-05-20  7:53     ` Chen Zhongjin

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