linux-kernel - Re: [PATCH net] netfilter: nf_tables: Only use nf_skip_indirect_calls() when MITIGATION

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250319091944.GA25092@breakpoint.cc>
Date: Wed, 19 Mar 2025 10:19:44 +0100
From: Florian Westphal <fw@...len.de>
To: WangYuli <wangyuli@...ontech.com>
Cc: pablo@...filter.org, kadlec@...filter.org, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	horms@...nel.org, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, eric.dumazet@...il.com, fw@...len.de,
	zhanjun@...ontech.com, niecheng1@...ontech.com,
	Wentao Guan <guanwentao@...ontech.com>
Subject: Re: [PATCH net] netfilter: nf_tables: Only use
 nf_skip_indirect_calls() when MITIGATION_RETPOLINE

WangYuli <wangyuli@...ontech.com> wrote:
> -static inline void nf_skip_indirect_calls_enable(void) { }

I would keep this around to avoid the extra

> +#ifdef CONFIG_MITIGATION_RETPOLINE
>  	nf_skip_indirect_calls_enable();
> +#endif /* CONFIG_MITIGATION_RETPOLINE */

CONFIG_MITIGATION_RETPOLINE.