From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Keir Fraser <keir@xen.org>
Subject: Re: [PATCH] x86: show page walk when create_bounce_frame() encounters a fault
Date: Mon, 15 Sep 2014 16:46:56 +0100 [thread overview]
Message-ID: <541709F0.1050000@citrix.com> (raw)
In-Reply-To: <54130A220200007800034830@mail.emea.novell.com>
[-- Attachment #1.1: Type: text/plain, Size: 2429 bytes --]
On 12/09/2014 13:58, Jan Beulich wrote:
> ... getting the native code in sync with the compat mode one.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
>
> --- a/xen/arch/x86/x86_64/entry.S
> +++ b/xen/arch/x86/x86_64/entry.S
> @@ -442,19 +442,30 @@ UNLIKELY_START(z, create_bounce_frame_ba
> __UNLIKELY_END(create_bounce_frame_bad_bounce_ip)
> movq %rax,UREGS_rip+8(%rsp)
> ret
> - _ASM_EXTABLE(.Lft2, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft3, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft4, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft5, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft6, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft7, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft8, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft9, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft10, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft11, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft12, dom_crash_sync_extable)
> - _ASM_EXTABLE(.Lft13, dom_crash_sync_extable)
> -
> + _ASM_EXTABLE(.Lft2, domain_crash_page_fault_32)
> + _ASM_EXTABLE(.Lft3, domain_crash_page_fault_24)
> + _ASM_EXTABLE(.Lft4, domain_crash_page_fault_8)
> + _ASM_EXTABLE(.Lft5, domain_crash_page_fault_16)
> + _ASM_EXTABLE(.Lft6, domain_crash_page_fault)
> + _ASM_EXTABLE(.Lft7, domain_crash_page_fault)
> + _ASM_EXTABLE(.Lft8, domain_crash_page_fault_24)
> + _ASM_EXTABLE(.Lft9, domain_crash_page_fault_16)
> + _ASM_EXTABLE(.Lft10, domain_crash_page_fault_8)
> + _ASM_EXTABLE(.Lft11, domain_crash_page_fault)
> + _ASM_EXTABLE(.Lft12, domain_crash_page_fault_8)
> + _ASM_EXTABLE(.Lft13, domain_crash_page_fault)
> +
> +domain_crash_page_fault_32:
> + addq $8,%rsi
> +domain_crash_page_fault_24:
> + addq $8,%rsi
> +domain_crash_page_fault_16:
> + addq $8,%rsi
> +domain_crash_page_fault_8:
> + addq $8,%rsi
> +domain_crash_page_fault:
> + movq %rsi,%rdi
> + call show_page_walk
> ENTRY(dom_crash_sync_extable)
> # Get out of the guest-save area of the stack.
> GET_STACK_BASE(%rax)
>
>
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
[-- Attachment #1.2: Type: text/html, Size: 3255 bytes --]
[-- Attachment #2: Type: text/plain, Size: 126 bytes --]
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
prev parent reply other threads:[~2014-09-15 15:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-12 12:58 [PATCH] x86: show page walk when create_bounce_frame() encounters a fault Jan Beulich
2014-09-15 15:46 ` Andrew Cooper [this message]
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=541709F0.1050000@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=JBeulich@suse.com \
--cc=keir@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.