From: Peter Zijlstra <peterz@infradead.org>
To: Menglong Dong <menglong8.dong@gmail.com>
Cc: rostedt@goodmis.org, mark.rutland@arm.com,
alexei.starovoitov@gmail.com, catalin.marinas@arm.com,
will@kernel.org, mhiramat@kernel.org, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com, ast@kernel.org,
daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev,
eddyz87@gmail.com, yonghong.song@linux.dev,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me,
jolsa@kernel.org, davem@davemloft.net, dsahern@kernel.org,
mathieu.desnoyers@efficios.com, nathan@kernel.org,
nick.desaulniers+lkml@gmail.com, morbo@google.com,
samitolvanen@google.com, kees@kernel.org,
dongml2@chinatelecom.cn, akpm@linux-foundation.org,
riel@surriel.com, rppt@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
bpf@vger.kernel.org, netdev@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH bpf-next v3 1/4] x86/ibt: factor out cfi and fineibt offset
Date: Mon, 3 Mar 2025 10:18:11 +0100 [thread overview]
Message-ID: <20250303091811.GH5880@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20250303065345.229298-2-dongml2@chinatelecom.cn>
On Mon, Mar 03, 2025 at 02:53:42PM +0800, Menglong Dong wrote:
> index c71b575bf229..ad050d09cb2b 100644
> --- a/arch/x86/kernel/alternative.c
> +++ b/arch/x86/kernel/alternative.c
> @@ -908,7 +908,7 @@ void __init_or_module noinline apply_seal_endbr(s32 *start, s32 *end, struct mod
>
> poison_endbr(addr, wr_addr, true);
> if (IS_ENABLED(CONFIG_FINEIBT))
> - poison_cfi(addr - 16, wr_addr - 16);
> + poison_cfi(addr, wr_addr);
> }
> }
If you're touching this code, please use tip/x86/core or tip/master.
next prev parent reply other threads:[~2025-03-03 9:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-03 6:53 [PATCH bpf-next v3 0/4] per-function storage support Menglong Dong
2025-03-03 6:53 ` [PATCH bpf-next v3 1/4] x86/ibt: factor out cfi and fineibt offset Menglong Dong
2025-03-03 9:18 ` Peter Zijlstra [this message]
2025-03-03 10:51 ` Menglong Dong
2025-03-03 11:24 ` Peter Zijlstra
2025-03-03 6:53 ` [PATCH bpf-next v3 2/4] add per-function metadata storage support Menglong Dong
2025-03-03 6:53 ` [PATCH bpf-next v3 3/4] x86: implement per-function metadata storage for x86 Menglong Dong
2025-03-03 16:05 ` Steven Rostedt
2025-03-04 2:07 ` Menglong Dong
2025-03-04 3:06 ` Menglong Dong
2025-03-03 6:53 ` [PATCH bpf-next v3 4/4] arm64: implement per-function metadata storage for arm64 Menglong Dong
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