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 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.