From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "song@kernel.org" <song@kernel.org>
Cc: "peterz@infradead.org" <peterz@infradead.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"rppt@kernel.org" <rppt@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"hch@lst.de" <hch@lst.de>, "x86@kernel.org" <x86@kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mcgrof@kernel.org" <mcgrof@kernel.org>,
"Lu, Aaron" <aaron.lu@intel.com>
Subject: Re: [PATCH bpf-next v2 5/5] x86: use register_text_tail_vm
Date: Tue, 15 Nov 2022 17:28:31 +0000 [thread overview]
Message-ID: <24f2a65c53fd060d02e410db61ad91fcc4ca29b6.camel@intel.com> (raw)
In-Reply-To: <CAPhsuW6rp01kuVXq7t4ukExPJY+W+nmHcgdVON7WSH+4_W57dg@mail.gmail.com>
On Tue, 2022-11-08 at 14:15 -0800, Song Liu wrote:
> diff --git i/Documentation/x86/x86_64/mm.rst
> w/Documentation/x86/x86_64/mm.rst
> index 9798676bb0bf..ac041b7d3965 100644
> --- i/Documentation/x86/x86_64/mm.rst
> +++ w/Documentation/x86/x86_64/mm.rst
> @@ -62,7 +62,7 @@ Complete virtual memory map with 4-level page
> tables
> ffffff8000000000 | -512 GB | ffffffeeffffffff | 444 GB | ...
> unused hole
> ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI
> region mapping space
> ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | ...
> unused hole
> - ffffffff80000000 | -2 GB | ffffffff9fffffff | 512 MB |
> kernel text mapping, mapped to physical address 0
> + ffffffff80000000 | -2 GB | ffffffff9fffffff | 512 MB |
> kernel and module text mapping, mapped to physical address 0
It's not really "module text mapping" yet right? Because it doesn't get
used by modules. I might just call it execmem or whatever you call the
component. Otherwise it is outdated when the next users starts using
the API. Otherwise looks ok, thanks.
next prev parent reply other threads:[~2022-11-15 17:28 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 22:39 [PATCH bpf-next v2 0/5] execmem_alloc for BPF programs Song Liu
2022-11-07 22:39 ` [PATCH bpf-next v2 1/5] vmalloc: introduce execmem_alloc, execmem_free, and execmem_fill Song Liu
2022-11-07 22:39 ` [PATCH bpf-next v2 2/5] x86/alternative: support execmem_alloc() and execmem_free() Song Liu
2022-11-07 22:39 ` [PATCH bpf-next v2 3/5] bpf: use execmem_alloc for bpf program and bpf dispatcher Song Liu
2022-11-07 22:39 ` [PATCH bpf-next v2 4/5] vmalloc: introduce register_text_tail_vm() Song Liu
2022-11-07 22:39 ` [PATCH bpf-next v2 5/5] x86: use register_text_tail_vm Song Liu
2022-11-08 19:04 ` Edgecombe, Rick P
2022-11-08 22:15 ` Song Liu
2022-11-15 17:28 ` Edgecombe, Rick P [this message]
2022-11-07 22:55 ` [PATCH bpf-next v2 0/5] execmem_alloc for BPF programs Luis Chamberlain
2022-11-07 23:13 ` Song Liu
2022-11-07 23:39 ` Luis Chamberlain
2022-11-08 0:13 ` Edgecombe, Rick P
2022-11-08 2:45 ` Luis Chamberlain
2022-11-08 18:20 ` Song Liu
2022-11-08 18:12 ` Song Liu
2022-11-08 11:27 ` Mike Rapoport
2022-11-08 12:38 ` Aaron Lu
2022-11-09 6:55 ` Christoph Hellwig
2022-11-09 11:05 ` Peter Zijlstra
2022-11-08 16:51 ` Edgecombe, Rick P
2022-11-08 18:50 ` Song Liu
2022-11-09 11:17 ` Mike Rapoport
2022-11-09 17:04 ` Edgecombe, Rick P
2022-11-09 17:53 ` Song Liu
2022-11-13 10:34 ` Mike Rapoport
2022-11-14 20:30 ` Song Liu
2022-11-15 21:18 ` Luis Chamberlain
2022-11-15 21:39 ` Edgecombe, Rick P
2022-11-16 22:34 ` Luis Chamberlain
2022-11-17 8:50 ` Mike Rapoport
2022-11-17 18:36 ` Song Liu
2022-11-20 10:41 ` Mike Rapoport
2022-11-21 14:52 ` Song Liu
2022-11-30 9:39 ` Mike Rapoport
2022-11-09 17:43 ` Song Liu
2022-11-09 21:23 ` Christophe Leroy
2022-11-09 21:23 ` Christophe Leroy
2022-11-10 1:50 ` Song Liu
2022-11-10 1:50 ` Song Liu
2022-11-13 10:42 ` Mike Rapoport
2022-11-14 20:45 ` Song Liu
2022-11-15 20:51 ` Luis Chamberlain
2022-11-20 10:44 ` Mike Rapoport
2022-11-08 18:41 ` Song Liu
2022-11-08 19:43 ` Christophe Leroy
2022-11-08 21:40 ` Song Liu
2022-11-13 9:58 ` Mike Rapoport
2022-11-14 20:13 ` Song Liu
2022-11-08 11:44 ` Christophe Leroy
2022-11-08 18:47 ` Song Liu
2022-11-08 19:32 ` Christophe Leroy
2022-11-08 11:48 ` Mike Rapoport
2022-11-15 1:30 ` Song Liu
2022-11-15 17:34 ` Edgecombe, Rick P
2022-11-15 21:54 ` Song Liu
2022-11-15 22:14 ` Edgecombe, Rick P
2022-11-15 22:32 ` Song Liu
2022-11-16 1:20 ` Song Liu
2022-11-16 21:22 ` Edgecombe, Rick P
2022-11-16 22:03 ` Song Liu
2022-11-15 21:09 ` Luis Chamberlain
2022-11-15 21:32 ` Luis Chamberlain
2022-11-15 22:48 ` Song Liu
2022-11-16 22:33 ` Luis Chamberlain
2022-11-16 22:47 ` Edgecombe, Rick P
2022-11-16 23:53 ` Luis Chamberlain
2022-11-17 1:17 ` Song Liu
2022-11-17 9:37 ` Mike Rapoport
2022-11-29 10:23 ` Thomas Gleixner
2022-11-29 17:26 ` Song Liu
2022-11-29 23:56 ` Thomas Gleixner
2022-11-30 16:18 ` Song Liu
2022-12-01 9:08 ` Thomas Gleixner
2022-12-01 19:31 ` Song Liu
2022-12-02 1:38 ` Thomas Gleixner
2022-12-02 8:38 ` Song Liu
2022-12-02 9:22 ` Thomas Gleixner
2022-12-06 20:25 ` Song Liu
2022-12-07 15:36 ` Thomas Gleixner
2022-12-07 16:53 ` Christophe Leroy
2022-12-07 19:29 ` Song Liu
2022-12-07 21:04 ` Thomas Gleixner
2022-12-07 21:48 ` Christophe Leroy
2022-12-07 19:26 ` Song Liu
2022-12-07 20:57 ` Thomas Gleixner
2022-12-07 23:17 ` Song Liu
2022-12-02 10:46 ` Christophe Leroy
2022-12-02 17:43 ` Thomas Gleixner
2022-12-01 20:23 ` Mike Rapoport
2022-12-01 22:34 ` Thomas Gleixner
2022-12-03 14:46 ` Mike Rapoport
2022-12-03 20:58 ` Thomas Gleixner
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