From: "Bae, Chang Seok" <chang.seok.bae@intel.com>
To: "luto@kernel.org" <luto@kernel.org>
Cc: "mingo@kernel.org" <mingo@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"bp@suse.de" <bp@suse.de>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"Liu, Jing2" <jing2.liu@intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
"Hansen, Dave" <dave.hansen@intel.com>,
"Metzger, Markus T" <markus.t.metzger@intel.com>,
"Brown, Len" <len.brown@intel.com>
Subject: Re: [PATCH v2 15/22] x86/fpu/xstate: Support ptracer-induced xstate area expansion
Date: Tue, 8 Dec 2020 19:12:51 +0000 [thread overview]
Message-ID: <ffa28f1070749ab00635608262c25bad2f11a185.camel@intel.com> (raw)
In-Reply-To: <CALCETrX6=1AOS_G=dUdMyCiCSVRA3ns937nhRS5O1DwvfWtSQA@mail.gmail.com>
> On Dec 3, 2020, at 14:00, Andy Lutomirski <luto@kernel.org> wrote:
>
> Have you confirmed that real ptrace users (gdb? does anything
> actually use this code?) can handle the huge buffers that will be
> needed?
Yes, we thought there is actual usage for this. We (cc'ing Markus) will
support it on GDB.
Thanks,
Chang
next prev parent reply other threads:[~2020-12-08 20:32 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 23:32 [PATCH v2 00/22] x86: Support Intel Advanced Matrix Extensions Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 01/22] x86/fpu/xstate: Modify area init helper prototypes to access all the possible areas Chang S. Bae
2020-12-07 17:12 ` Borislav Petkov
2020-12-07 23:03 ` Bae, Chang Seok
2020-12-07 23:10 ` Borislav Petkov
2020-11-19 23:32 ` [PATCH v2 02/22] x86/fpu/xstate: Modify xstate copy " Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 03/22] x86/fpu/xstate: Modify address finder " Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 04/22] x86/fpu/xstate: Modify save and restore helper " Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 05/22] x86/fpu/xstate: Introduce a new variable for dynamic user states Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 06/22] x86/fpu/xstate: Outline dynamic xstate area size in the task context Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 07/22] x86/fpu/xstate: Introduce helpers to manage an xstate area dynamically Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 08/22] x86/fpu/xstate: Define the scope of the initial xstate data Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 09/22] x86/fpu/xstate: Introduce wrapper functions for organizing xstate area access Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 10/22] x86/fpu/xstate: Update xstate save function for supporting dynamic user xstate Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 11/22] x86/fpu/xstate: Update xstate area address finder " Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 12/22] x86/fpu/xstate: Update xstate context copy function for supporting dynamic area Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 13/22] x86/fpu/xstate: Expand dynamic user state area on first use Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 14/22] x86/fpu/xstate: Inherit dynamic user state when used in the parent Chang S. Bae
2020-11-20 5:08 ` Andy Lutomirski
2020-11-24 18:35 ` Len Brown
2020-11-19 23:32 ` [PATCH v2 15/22] x86/fpu/xstate: Support ptracer-induced xstate area expansion Chang S. Bae
2020-11-20 5:07 ` Andy Lutomirski
2020-11-24 18:22 ` Bae, Chang Seok
2020-11-24 18:33 ` Andy Lutomirski
2020-12-02 4:00 ` Bae, Chang Seok
2020-12-03 5:00 ` Andy Lutomirski
2020-12-08 19:12 ` Bae, Chang Seok [this message]
2020-11-19 23:32 ` [PATCH v2 16/22] x86/fpu/xstate: Extend the table for mapping xstate components with features Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 17/22] x86/cpufeatures/amx: Enumerate Advanced Matrix Extension (AMX) feature bits Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 18/22] x86/fpu/amx: Define AMX state components and have it used for boot-time checks Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 19/22] x86/fpu/amx: Enable the AMX feature in 64-bit mode Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 20/22] selftest/x86/amx: Include test cases for the AMX state management Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 21/22] x86/fpu/xstate: Support dynamic user state in the signal handling path Chang S. Bae
2020-11-19 23:32 ` [PATCH v2 22/22] x86/fpu/xstate: Introduce boot-parameters for control some state component support Chang S. Bae
2020-11-20 5:02 ` Andy Lutomirski
2020-11-24 18:50 ` Len Brown
2020-11-24 23:41 ` Andy Lutomirski
2020-12-01 18:00 ` Len Brown
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=ffa28f1070749ab00635608262c25bad2f11a185.camel@intel.com \
--to=chang.seok.bae@intel.com \
--cc=bp@suse.de \
--cc=dave.hansen@intel.com \
--cc=jing2.liu@intel.com \
--cc=len.brown@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=markus.t.metzger@intel.com \
--cc=mingo@kernel.org \
--cc=ravi.v.shankar@intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome