From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"song@kernel.org" <song@kernel.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>
Cc: "hch@lst.de" <hch@lst.de>,
"mcgrof@kernel.org" <mcgrof@kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"x86@kernel.org" <x86@kernel.org>,
"Hansen, Dave" <dave.hansen@intel.com>
Subject: Re: [PATCH bpf-next v1 RESEND 2/5] x86/alternative: support vmalloc_exec() and vfree_exec()
Date: Wed, 2 Nov 2022 22:21:52 +0000 [thread overview]
Message-ID: <d298ae748f267a336f0089f6aa649e3291f1081a.camel@intel.com> (raw)
In-Reply-To: <20221031222541.1773452-3-song@kernel.org>
On Mon, 2022-10-31 at 15:25 -0700, Song Liu wrote:
> diff --git a/arch/x86/kernel/alternative.c
> b/arch/x86/kernel/alternative.c
> index 5cadcea035e0..73d89774ace3 100644
> --- a/arch/x86/kernel/alternative.c
> +++ b/arch/x86/kernel/alternative.c
> @@ -1270,6 +1270,18 @@ void *text_poke_copy(void *addr, const void
> *opcode, size_t len)
> return addr;
> }
>
> +void *arch_vcopy_exec(void *dst, void *src, size_t len)
> +{
> + if (text_poke_copy(dst, src, len) == NULL)
> + return ERR_PTR(-EINVAL);
> + return dst;
> +}
Except for this, there are no more users of text_poke_copy() right?
Should it just be replaced with arch_vcopy_exec()?
next prev parent reply other threads:[~2022-11-02 22:22 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-31 22:25 [PATCH bpf-next v1 RESEND 0/5] vmalloc_exec for modules and BPF programs Song Liu
2022-10-31 22:25 ` [PATCH bpf-next v1 RESEND 1/5] vmalloc: introduce vmalloc_exec, vfree_exec, and vcopy_exec Song Liu
2022-11-02 23:41 ` Luis Chamberlain
2022-11-03 15:51 ` Mike Rapoport
2022-11-03 18:59 ` Luis Chamberlain
2022-11-03 21:19 ` Edgecombe, Rick P
2022-11-03 21:41 ` Song Liu
2022-11-03 23:33 ` Luis Chamberlain
2022-11-04 0:18 ` Luis Chamberlain
2022-11-04 3:29 ` Luis Chamberlain
2022-11-07 6:58 ` Mike Rapoport
2022-11-07 17:26 ` Luis Chamberlain
2022-11-07 6:40 ` Aaron Lu
2022-11-07 17:39 ` Luis Chamberlain
2022-11-07 18:35 ` Song Liu
2022-11-07 18:30 ` Song Liu
2022-10-31 22:25 ` [PATCH bpf-next v1 RESEND 2/5] x86/alternative: support vmalloc_exec() and vfree_exec() Song Liu
2022-11-02 22:21 ` Edgecombe, Rick P [this message]
2022-11-03 21:03 ` Song Liu
2022-10-31 22:25 ` [PATCH bpf-next v1 RESEND 3/5] bpf: use vmalloc_exec for bpf program and bpf dispatcher Song Liu
2022-10-31 22:25 ` [PATCH bpf-next v1 RESEND 4/5] vmalloc: introduce register_text_tail_vm() Song Liu
2022-10-31 22:25 ` [PATCH bpf-next v1 RESEND 5/5] x86: use register_text_tail_vm Song Liu
2022-11-02 22:24 ` Edgecombe, Rick P
2022-11-03 21:04 ` Song Liu
2022-11-01 11:26 ` [PATCH bpf-next v1 RESEND 0/5] vmalloc_exec for modules and BPF programs Christoph Hellwig
2022-11-01 15:10 ` Song Liu
2022-11-02 20:45 ` Luis Chamberlain
2022-11-02 22:29 ` Edgecombe, Rick P
2022-11-03 21:13 ` Song Liu
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