From: Paolo Bonzini <pbonzini@redhat.com>
To: Arthur Chunqi Li <yzt356@gmail.com>
Cc: kvm@vger.kernel.org, jan.kiszka@web.de, gleb@redhat.com
Subject: Re: [PATCH v3] kvm-unit-tests : Basic architecture of VMX nested test case
Date: Tue, 30 Jul 2013 16:53:53 +0200 [thread overview]
Message-ID: <51F7D381.107@redhat.com> (raw)
In-Reply-To: <1375020009-6225-1-git-send-email-yzt356@gmail.com>
Il 28/07/2013 16:00, Arthur Chunqi Li ha scritto:
> +
> + while (1) {
> + asm volatile (
> + "mov %%rsp, %%rsi\n\t"
> + "mov %2, %%rdi\n\t"
> + "vmwrite %%rsi, %%rdi\n\t"
> +
> + LOAD_GPR_C
> + "cmpl $0, %1\n\t"
> + "jne 1f\n\t"
> + LOAD_RFLAGS
> + "vmlaunch\n\t"
> + "jmp 2f\n\t"
> + "1: "
> + "vmresume\n\t"
> + "2: "
> + "setbe %0\n\t"
Perhaps here add
jbe vmx_return
ud2
but it can be added in a follow-up.
> + "vmx_return:\n\t"
> + SAVE_GPR_C
> + SAVE_RFLAGS
> + : "=m"(fail)
> + : "m"(launched), "i"(HOST_RSP)
> + : "rdi", "rsi", "memory", "cc"
> +
> + );
Nice! :)
I pushed the patch.
Paolo
next prev parent reply other threads:[~2013-07-30 15:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-28 14:00 [PATCH v3] kvm-unit-tests : Basic architecture of VMX nested test case Arthur Chunqi Li
2013-07-28 14:24 ` Arthur Chunqi Li
2013-07-28 14:32 ` Arthur Chunqi Li
2013-07-28 14:34 ` Gleb Natapov
2013-07-30 7:31 ` Marius Vlad
2013-07-30 7:42 ` Gleb Natapov
2013-07-30 7:59 ` Marius Vlad
2013-07-30 8:07 ` Gleb Natapov
2013-07-30 9:14 ` Arthur Chunqi Li
2013-07-30 11:51 ` Marius Vlad
2013-07-30 14:53 ` Paolo Bonzini [this message]
2013-07-30 14:57 ` Arthur Chunqi Li
2013-07-30 14:59 ` Paolo Bonzini
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=51F7D381.107@redhat.com \
--to=pbonzini@redhat.com \
--cc=gleb@redhat.com \
--cc=jan.kiszka@web.de \
--cc=kvm@vger.kernel.org \
--cc=yzt356@gmail.com \
/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