From: Oleksii <oleksii.kurochko@gmail.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: Alistair Francis <alistair.francis@wdc.com>,
Bob Eshleman <bobbyeshleman@gmail.com>,
Connor Davis <connojdavis@gmail.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
George Dunlap <george.dunlap@citrix.com>,
Julien Grall <julien@xen.org>,
Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v5 03/23] xen/riscv: introduce nospec.h
Date: Wed, 28 Feb 2024 10:59:09 +0100 [thread overview]
Message-ID: <3637804a9dde10871b4f4a354cced82548114893.camel@gmail.com> (raw)
In-Reply-To: <293c6236-1ad0-4a48-853f-afec419656e9@suse.com>
On Tue, 2024-02-27 at 08:38 +0100, Jan Beulich wrote:
> On 26.02.2024 18:38, Oleksii Kurochko wrote:
> > From the unpriviliged doc:
> > No standard hints are presently defined.
> > We anticipate standard hints to eventually include memory-system
> > spatial
> > and temporal locality hints, branch prediction hints, thread-
> > scheduling
> > hints, security tags, and instrumentation flags for
> > simulation/emulation.
> >
> > Also, there are no speculation execution barriers.
> >
> > Therefore, functions evaluate_nospec() and block_speculation()
> > should
> > remain empty until a specific platform has an extension to deal
> > with
> > speculation execution.
>
> What about array_index_mask_nospec(), though? No custom
> implementation,
> meaning the generic one will be used there? If that's the intention,
> then ...
Yes, the generic one will be used.
~ Oleksii
>
> > Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
>
> Acked-by: Jan Beulich <jbeulich@suse.com>
>
> Jan
>
next prev parent reply other threads:[~2024-02-28 9:59 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 17:38 [PATCH v5 00/23] [PATCH v4 00/30] Enable build of full Xen for RISC-V Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 01/23] xen/riscv: disable unnecessary configs Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 02/23] xen/riscv: use some asm-generic headers Oleksii Kurochko
2024-02-27 7:35 ` Jan Beulich
2024-02-26 17:38 ` [PATCH v5 03/23] xen/riscv: introduce nospec.h Oleksii Kurochko
2024-02-27 7:38 ` Jan Beulich
2024-02-28 9:59 ` Oleksii [this message]
2024-02-29 13:49 ` Julien Grall
2024-02-29 14:01 ` Jan Beulich
2024-02-29 16:09 ` Oleksii
2024-02-29 16:27 ` Jan Beulich
2024-02-26 17:38 ` [PATCH v5 04/23] xen/asm-generic: introduce generic fls() and flsl() functions Oleksii Kurochko
2024-02-29 13:54 ` Julien Grall
2024-02-29 14:03 ` Jan Beulich
2024-02-29 14:08 ` Julien Grall
2024-02-29 16:17 ` Oleksii
2024-02-29 15:52 ` Jan Beulich
2024-02-29 16:25 ` Andrew Cooper
2024-03-01 9:15 ` Oleksii
2024-02-26 17:38 ` [PATCH v5 05/23] xen/asm-generic: introduce generic find first set bit functions Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 06/23] xen/asm-generic: introduce generic ffz() Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 07/23] xen/asm-generic: introduce generic hweight64() Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 08/23] xen/asm-generic: introduce generic non-atomic test_*bit() Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 09/23] xen/riscv: introduce bitops.h Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 10/23] xen/riscv: introduces acrquire, release and full barriers Oleksii Kurochko
2024-03-05 7:42 ` Jan Beulich
2024-02-26 17:38 ` [PATCH v5 11/23] xen/riscv: introduce cmpxchg.h Oleksii Kurochko
2024-03-06 14:56 ` Jan Beulich
2024-03-07 10:35 ` Oleksii
2024-03-07 10:46 ` Jan Beulich
2024-03-07 11:01 ` Oleksii
2024-03-07 11:11 ` Jan Beulich
2024-03-07 12:28 ` Oleksii
2024-02-26 17:38 ` [PATCH v5 12/23] xen/riscv: introduce io.h Oleksii Kurochko
2024-03-06 14:13 ` Jan Beulich
2024-03-07 13:01 ` Oleksii
2024-03-07 13:24 ` Jan Beulich
2024-03-07 13:44 ` Oleksii
2024-03-07 15:32 ` Jan Beulich
2024-03-07 16:21 ` Oleksii
2024-03-07 17:14 ` Jan Beulich
2024-03-07 20:49 ` Oleksii
2024-03-07 20:54 ` Oleksii
2024-03-08 7:26 ` Jan Beulich
2024-03-08 10:14 ` Oleksii
2024-03-08 11:49 ` Jan Beulich
2024-03-08 11:52 ` Jan Beulich
2024-03-08 12:17 ` Oleksii
2024-03-08 12:54 ` Jan Beulich
2024-03-08 7:18 ` Jan Beulich
2024-02-26 17:38 ` [PATCH v5 13/23] xen/riscv: introduce atomic.h Oleksii Kurochko
2024-03-06 15:31 ` Jan Beulich
2024-03-07 13:30 ` Oleksii
2024-03-07 15:40 ` Jan Beulich
2024-02-26 17:38 ` [PATCH v5 14/23] xen/riscv: introduce monitor.h Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 15/23] xen/riscv: add definition of __read_mostly Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 16/23] xen/riscv: add required things to current.h Oleksii Kurochko
2024-02-26 17:38 ` [PATCH v5 17/23] xen/riscv: add minimal stuff to page.h to build full Xen Oleksii Kurochko
2024-02-26 17:39 ` [PATCH v5 18/23] xen/riscv: add minimal stuff to processor.h " Oleksii Kurochko
2024-03-05 8:05 ` Jan Beulich
2024-03-05 17:34 ` Oleksii
2024-02-26 17:39 ` [PATCH v5 19/23] xen/riscv: add minimal stuff to mm.h " Oleksii Kurochko
2024-03-05 8:17 ` Jan Beulich
2024-03-05 16:46 ` Oleksii
2024-02-26 17:39 ` [PATCH v5 20/23] xen/riscv: introduce vm_event_*() functions Oleksii Kurochko
2024-02-26 17:39 ` [PATCH v5 21/23] xen/rirscv: add minimal amount of stubs to build full Xen Oleksii Kurochko
2024-03-05 8:40 ` Jan Beulich
2024-02-26 17:39 ` [PATCH v5 22/23] xen/riscv: enable full Xen build Oleksii Kurochko
2024-02-26 17:39 ` [PATCH v5 23/23] xen/README: add compiler and binutils versions for RISC-V64 Oleksii Kurochko
2024-02-27 7:55 ` Jan Beulich
2024-02-28 17:03 ` Oleksii
2024-02-28 22:58 ` Julien Grall
2024-02-28 23:11 ` Andrew Cooper
2024-02-29 17:00 ` Oleksii
2024-02-29 7:58 ` Jan Beulich
2024-02-29 10:23 ` Julien Grall
2024-02-29 11:56 ` Jan Beulich
2024-02-29 11:59 ` Jan Beulich
2024-02-29 12:05 ` Andrew Cooper
2024-02-29 12:17 ` Jan Beulich
2024-02-29 12:32 ` Julien Grall
2024-02-29 12:51 ` Jan Beulich
2024-02-29 13:44 ` Julien Grall
2024-02-29 14:07 ` Jan Beulich
2024-02-29 14:14 ` Julien Grall
2024-02-29 17:43 ` Stefano Stabellini
2024-02-29 12:27 ` Julien Grall
2024-02-29 16:54 ` Oleksii
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3637804a9dde10871b4f4a354cced82548114893.camel@gmail.com \
--to=oleksii.kurochko@gmail.com \
--cc=alistair.francis@wdc.com \
--cc=andrew.cooper3@citrix.com \
--cc=bobbyeshleman@gmail.com \
--cc=connojdavis@gmail.com \
--cc=george.dunlap@citrix.com \
--cc=jbeulich@suse.com \
--cc=julien@xen.org \
--cc=sstabellini@kernel.org \
--cc=wl@xen.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.