From: Christoph Egger <Christoph.Egger@amd.com>
To: xen-devel@lists.xensource.com
Subject: [PATCH 09/14] Nested Virtualization: interrupts (generic part)
Date: Thu, 5 Aug 2010 17:03:41 +0200 [thread overview]
Message-ID: <201008051703.41791.Christoph.Egger@amd.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 322 bytes --]
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
--
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
[-- Attachment #2: xen_nh09_interrupts.diff --]
[-- Type: text/x-diff, Size: 1694 bytes --]
# HG changeset patch
# User cegger
# Date 1281003858 -7200
Handle interrupts (generic part)
diff -r 8c7c597735c6 -r 1a1837336ffd xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -2286,6 +2286,17 @@ enum hvm_intblk hvm_interrupt_blocked(st
ASSERT(v == current);
+ if ( nestedhvm_enabled(v->domain) ) {
+ if ( !nestedsvm_gif_isset(v) )
+ return hvm_intblk_gif;
+
+ if ( nestedhvm_vcpu_in_guestmode(v) ) {
+ if ( VCPU_NESTEDHVM(v).nh_hostflags.fields.vintrmask )
+ if ( !VCPU_NESTEDHVM(v).nh_hostflags.fields.rflagsif )
+ return hvm_intblk_rflags_ie;
+ }
+ }
+
if ( (intack.source != hvm_intsrc_nmi) &&
!(guest_cpu_user_regs()->eflags & X86_EFLAGS_IF) )
return hvm_intblk_rflags_ie;
diff -r 8c7c597735c6 -r 1a1837336ffd xen/arch/x86/x86_32/asm-offsets.c
--- a/xen/arch/x86/x86_32/asm-offsets.c
+++ b/xen/arch/x86/x86_32/asm-offsets.c
@@ -135,4 +135,7 @@ void __dummy__(void)
OFFSET(MB_flags, multiboot_info_t, flags);
OFFSET(MB_cmdline, multiboot_info_t, cmdline);
+
+ OFFSET(NESTEDHVM_hostflags, struct vcpu, arch.hvm_vcpu.nestedhvm.nh_hostflags.bytes);
+ DEFINE(NESTEDHVM_forcevmexit, 0x4);
}
diff -r 8c7c597735c6 -r 1a1837336ffd xen/arch/x86/x86_64/asm-offsets.c
--- a/xen/arch/x86/x86_64/asm-offsets.c
+++ b/xen/arch/x86/x86_64/asm-offsets.c
@@ -158,4 +158,7 @@ void __dummy__(void)
OFFSET(MB_flags, multiboot_info_t, flags);
OFFSET(MB_cmdline, multiboot_info_t, cmdline);
+
+ OFFSET(NESTEDHVM_hostflags, struct vcpu, arch.hvm_vcpu.nestedhvm.nh_hostflags.bytes);
+ DEFINE(NESTEDHVM_forcevmexit, 0x4);
}
[-- Attachment #3: Type: text/plain, Size: 138 bytes --]
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel
reply other threads:[~2010-08-05 15:03 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=201008051703.41791.Christoph.Egger@amd.com \
--to=christoph.egger@amd.com \
--cc=xen-devel@lists.xensource.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;
as well as URLs for NNTP newsgroup(s).