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From: "Björn Töpel" <bjorn.topel@gmail.com>
To: Nick Kossifidis <mick@ics.forth.gr>
Cc: Christopher Lameter <cl@linux.com>,
	Palmer Dabbelt <palmer@sifive.com>,
	Paul Walmsley <paul@pwsan.com>,
	linux-riscv@lists.infradead.org
Subject: Re: per-cpu thoughts
Date: Fri, 22 Feb 2019 20:48:18 +0100	[thread overview]
Message-ID: <CAJ+HfNgKFYzSdp5Jut=rXCA0vtkwDcCnDemmgpKD59YJqkg3QQ@mail.gmail.com> (raw)
In-Reply-To: <2acd8a4393d4e9c526bcfa4aca63e4cf@mailhost.ics.forth.gr>

On Fri, 22 Feb 2019 at 16:36, Nick Kossifidis <mick@ics.forth.gr> wrote:
>
[...]
>
> How about the scratch registers defined on priv spec ? We already use
> sscratch on Linux for keeping per-hart kernel data structures (check out
> entry.S) and mscratch on OpenSBI for keeping per-hart state etc.

Hmm, what is the "tp" register used for in kernel space today?

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  parent reply	other threads:[~2019-02-22 19:48 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-20 19:57 per-cpu thoughts Björn Töpel
2019-02-21 15:57 ` Christopher Lameter
2019-02-21 16:28 ` Paul Walmsley
2019-02-21 17:24   ` Björn Töpel
2019-02-21 17:49     ` Paul Walmsley
2019-02-21 19:40       ` Palmer Dabbelt
2019-02-22 15:04         ` Christopher Lameter
2019-02-22 15:36           ` Nick Kossifidis
2019-02-22 15:56             ` Christopher Lameter
2019-02-22 19:47               ` Björn Töpel
2019-02-22 19:56                 ` Christopher Lameter
2019-02-28 12:20                   ` Paul Walmsley
2019-02-28 17:58                     ` Christopher Lameter
2019-02-28 18:42                       ` Paul Walmsley
2019-02-28 19:09                         ` Christopher Lameter
2019-02-28 20:21                           ` Paul Walmsley
2019-03-01  1:13                             ` Christopher Lameter
2019-03-08  7:17                   ` Björn Töpel
2019-03-11 13:22                     ` Palmer Dabbelt
2019-03-11 14:48                       ` Björn Töpel
2019-03-11 14:56                         ` Christopher Lameter
2019-03-11 15:05                           ` Björn Töpel
2019-03-11 15:26                             ` Paul Walmsley
2019-03-11 16:48                               ` Mark Rutland
2019-03-11 18:39                                 ` Paul Walmsley
2019-03-12 11:23                                   ` Mark Rutland
2019-03-12 16:01                                     ` Paul Walmsley
2019-03-12 17:34                                       ` Christopher Lameter
2019-03-12  4:26                               ` Christopher Lameter
2019-03-12 14:21                                 ` Paul Walmsley
2019-03-12 17:42                                   ` Christopher Lameter
2019-03-12 17:59                                     ` Gary Guo
2019-03-13 18:58                                       ` Christopher Lameter
2019-03-13 20:15                                     ` Paul Walmsley
2019-03-22 14:51                               ` Nick Kossifidis
2019-03-22 17:57                                 ` Christopher Lameter
2019-03-11 15:51                             ` Christopher Lameter
2019-03-11 16:35                               ` Björn Töpel
2019-03-12  4:22                                 ` Christopher Lameter
2019-02-22 19:48             ` Björn Töpel [this message]
2019-02-22 20:53               ` Nick Kossifidis

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