xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: Jan Beulich <jbeulich@suse.com>
To: "Michał Leszczyński" <michal.leszczynski@cert.pl>
Cc: "Kevin Tian" <kevin.tian@intel.com>, "Wei Liu" <wl@xen.org>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Jun Nakajima" <jun.nakajima@intel.com>,
	Xen-devel <xen-devel@lists.xenproject.org>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v1 2/7] x86/vmx: add IPT cpu feature
Date: Wed, 17 Jun 2020 13:34:23 +0200	[thread overview]
Message-ID: <4c338fef-0077-b69a-1ec1-8729caa218f0@suse.com> (raw)
In-Reply-To: <20200616163022.GR735@Air-de-Roger>

On 16.06.2020 18:30, Roger Pau Monné wrote:
> On Tue, Jun 16, 2020 at 05:20:39PM +0200, Michał Leszczyński wrote:
>> Check if Intel Processor Trace feature is supported by current
>> processor. Define hvm_ipt_supported function.
>>
>> Signed-off-by: Michal Leszczynski <michal.leszczynski@cert.pl>
>> ---
>>  xen/arch/x86/hvm/vmx/vmx.c                  | 24 +++++++++++++++++++++
>>  xen/include/asm-x86/cpufeature.h            |  1 +
>>  xen/include/asm-x86/hvm/hvm.h               |  9 ++++++++
>>  xen/include/asm-x86/hvm/vmx/vmcs.h          |  1 +
>>  xen/include/public/arch-x86/cpufeatureset.h |  1 +
>>  5 files changed, 36 insertions(+)
>>
>> diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
>> index ab19d9424e..a91bbdb798 100644
>> --- a/xen/arch/x86/hvm/vmx/vmx.c
>> +++ b/xen/arch/x86/hvm/vmx/vmx.c
>> @@ -2484,6 +2484,7 @@ static bool __init has_if_pschange_mc(void)
>>  
>>  const struct hvm_function_table * __init start_vmx(void)
>>  {
>> +    u64 _vmx_misc_cap;
> 
> Please use uint64_t, and you can drop the leading _vmx prefix, this is
> already vmx specific.

Actually, all of _vmx_ should be dropped (i.e. in particular local
variables shouldn't start with an underscore).

Jan


  reply	other threads:[~2020-06-17 11:34 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-16 15:16 [PATCH v1 0/7] Implement support for external IPT monitoring Michał Leszczyński
2020-06-16 15:19 ` [PATCH v1 1/7] x86/vmx: add Intel PT MSR definitions Michał Leszczyński
2020-06-18 13:31   ` Jan Beulich
2020-06-16 15:20 ` [PATCH v1 2/7] x86/vmx: add IPT cpu feature Michał Leszczyński
2020-06-16 16:30   ` Roger Pau Monné
2020-06-17 11:34     ` Jan Beulich [this message]
2020-06-16 15:21 ` [PATCH v1 3/7] x86/vmx: add ipt_state as part of vCPU state Michał Leszczyński
2020-06-16 16:33   ` Roger Pau Monné
2020-06-16 15:22 ` [PATCH v1 4/7] x86/vmx: add do_vmtrace_op Michał Leszczyński
2020-06-16 17:23   ` Roger Pau Monné
2020-06-17 19:13     ` Michał Leszczyński
2020-06-18  3:20       ` Tamas K Lengyel
2020-06-18 11:01         ` Michał Leszczyński
2020-06-18 11:55           ` Roger Pau Monné
2020-06-18 12:51             ` Jan Beulich
2020-06-18 13:09               ` Michał Leszczyński
2020-06-18 13:24                 ` Jan Beulich
2020-06-18 13:40                 ` Roger Pau Monné
2020-06-18  8:46       ` Roger Pau Monné
2020-06-18 15:25     ` Michał Leszczyński
2020-06-18 15:39       ` Jan Beulich
2020-06-18 15:47         ` Tamas K Lengyel
2020-06-18 15:49           ` Tamas K Lengyel
2020-06-16 15:22 ` [PATCH v1 5/7] tools/libxc: add xc_ptbuf_* functions Michał Leszczyński
2020-06-16 15:23 ` [PATCH v1 6/7] tools/proctrace: add proctrace tool Michał Leszczyński
2020-06-16 15:24 ` [PATCH v1 7/7] x86/vmx: switch IPT MSRs on vmentry/vmexit Michał Leszczyński
2020-06-16 17:38   ` Roger Pau Monné
2020-06-16 17:47     ` Michał Leszczyński
2020-06-17  9:09       ` Roger Pau Monné
2020-06-17 11:54         ` Michał Leszczyński
2020-06-17 12:51           ` Roger Pau Monné
2020-06-17 15:14             ` Andrew Cooper
2020-06-17 18:56               ` Michał Leszczyński
2020-06-18  8:52                 ` Roger Pau Monné
2020-06-18 11:07                   ` Michał Leszczyński
2020-06-18 11:49                     ` Roger Pau Monné
2020-06-17 23:30               ` Kang, Luwei
2020-06-18 10:02                 ` Andrew Cooper
2020-06-18 17:38   ` Andrew Cooper
2020-06-16 18:17 ` [PATCH v1 0/7] Implement support for external IPT monitoring Andrew Cooper
2020-06-16 18:47   ` Michał Leszczyński
2020-06-16 20:16     ` Andrew Cooper
2020-06-17  3:02       ` Tamas K Lengyel
2020-06-17 16:19         ` Andrew Cooper
2020-06-17 16:27           ` Tamas K Lengyel
2020-06-17 17:23             ` Andrew Cooper
2020-06-17 19:31               ` Tamas K Lengyel
2020-06-17 19:30             ` Michał Leszczyński
2020-06-17 20:20           ` Michał Leszczyński
2020-06-18  8:25             ` Roger Pau Monné
2020-06-18 14:59           ` Michał Leszczyński
2020-06-17  1:35     ` Tian, Kevin
2020-06-17  6:45       ` Kang, Luwei
2020-06-17  9:21         ` Roger Pau Monné
2020-06-17 12:37           ` Kang, Luwei
2020-06-17 12:53             ` Roger Pau Monné
2020-06-17 23:29               ` Kang, Luwei
2020-06-18  0:56                 ` Michał Leszczyński
2020-06-18  7:00                   ` Roger Pau Monné

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=4c338fef-0077-b69a-1ec1-8729caa218f0@suse.com \
    --to=jbeulich@suse.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=jun.nakajima@intel.com \
    --cc=kevin.tian@intel.com \
    --cc=michal.leszczynski@cert.pl \
    --cc=roger.pau@citrix.com \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).