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From: Glauber de Oliveira Costa <gcosta@redhat.com>
To: lguest@ozlabs.org
Cc: glommer@gmail.com, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, rusty@rustcorp.com.au,
	rostedt@goodmis.org,
	Glauber de Oliveira Costa <gcosta@redhat.com>
Subject: [PATCH 10/16] make emulate_insn receive a vcpu struct.
Date: Mon,  7 Jan 2008 11:05:31 -0200	[thread overview]
Message-ID: <11997111841603-git-send-email-gcosta@redhat.com> (raw)
In-Reply-To: <11997111801864-git-send-email-gcosta@redhat.com>

emulate_insn() needs to know about current eip, which will be,
in the future, a per-vcpu thing. So in this patch, the function
prototype is modified to receive a vcpu struct

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
---
 drivers/lguest/x86/core.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 125a14b..b336fff 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -220,8 +220,9 @@ void lguest_arch_run_guest(struct lg_vcpu *vcpu)
  * When the Guest uses one of these instructions, we get a trap (General
  * Protection Fault) and come here.  We see if it's one of those troublesome
  * instructions and skip over it.  We return true if we did. */
-static int emulate_insn(struct lguest *lg)
+static int emulate_insn(struct lg_vcpu *vcpu)
 {
+	struct lguest *lg = vcpu->lg;
 	u8 insn;
 	unsigned int insnlen = 0, in = 0, shift = 0;
 	/* The eip contains the *virtual* address of the Guest's instruction:
@@ -294,7 +295,7 @@ void lguest_arch_handle_trap(struct lg_vcpu *vcpu)
 		 * instructions which we need to emulate.  If so, we just go
 		 * back into the Guest after we've done it. */
 		if (lg->regs->errcode == 0) {
-			if (emulate_insn(lg))
+			if (emulate_insn(vcpu))
 				return;
 		}
 		break;
-- 
1.5.0.6


  reply	other threads:[~2008-01-07 13:09 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-07 13:05 [PATCH 0/16 -v2] lguest smp infrastructure Glauber de Oliveira Costa
2008-01-07 13:05 ` [PATCH 01/16] introduce vcpu struct Glauber de Oliveira Costa
2008-01-07 13:05 ` Glauber de Oliveira Costa
2008-01-07 13:05   ` [PATCH 02/16] adapt lguest launcher to per-cpuness Glauber de Oliveira Costa
2008-01-07 13:05     ` [PATCH 03/16] initialize vcpu Glauber de Oliveira Costa
2008-01-07 13:05     ` Glauber de Oliveira Costa
2008-01-07 13:05       ` [PATCH 04/16] per-cpu run guest Glauber de Oliveira Costa
2008-01-07 13:05       ` Glauber de Oliveira Costa
2008-01-07 13:05         ` [PATCH 05/16] make write() operation smp aware Glauber de Oliveira Costa
2008-01-07 13:05           ` [PATCH 06/16] make hypercalls use the vcpu struct Glauber de Oliveira Costa
2008-01-07 13:05             ` [PATCH 07/16] per-vcpu lguest timers Glauber de Oliveira Costa
2008-01-07 13:05               ` [PATCH 08/16] per-vcpu interrupt processing Glauber de Oliveira Costa
2008-01-07 13:05                 ` [PATCH 09/16] map_switcher_in_guest() per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05                   ` Glauber de Oliveira Costa [this message]
2008-01-07 13:05                     ` [PATCH 11/16] make registers per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05                     ` Glauber de Oliveira Costa
2008-01-07 13:05                       ` [PATCH 12/16] replace lguest_arch with lg_vcpu_arch Glauber de Oliveira Costa
2008-01-07 13:05                         ` [PATCH 13/16] per-vcpu lguest task management Glauber de Oliveira Costa
2008-01-07 13:05                           ` [PATCH 14/16] makes special fields be per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05                             ` [PATCH 15/16] make pending notifications per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05                             ` Glauber de Oliveira Costa
2008-01-07 13:05                               ` [PATCH 16/16] per-vcpu lguest pgdir management Glauber de Oliveira Costa
2008-01-07 13:05                               ` Glauber de Oliveira Costa
2008-01-07 13:05                           ` [PATCH 14/16] makes special fields be per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05                         ` [PATCH 13/16] per-vcpu lguest task management Glauber de Oliveira Costa
2008-01-07 13:05                       ` [PATCH 12/16] replace lguest_arch with lg_vcpu_arch Glauber de Oliveira Costa
2008-01-07 13:05                   ` [PATCH 10/16] make emulate_insn receive a vcpu struct Glauber de Oliveira Costa
2008-01-07 13:05                 ` [PATCH 09/16] map_switcher_in_guest() per-vcpu Glauber de Oliveira Costa
2008-01-07 13:05               ` [PATCH 08/16] per-vcpu interrupt processing Glauber de Oliveira Costa
2008-01-07 13:05             ` [PATCH 07/16] per-vcpu lguest timers Glauber de Oliveira Costa
2008-01-07 13:05           ` [PATCH 06/16] make hypercalls use the vcpu struct Glauber de Oliveira Costa
2008-01-07 13:05         ` [PATCH 05/16] make write() operation smp aware Glauber de Oliveira Costa
2008-01-08 11:02         ` [PATCH 04/16] per-cpu run guest Rusty Russell
2008-01-08 11:02         ` Rusty Russell
2008-01-07 13:05   ` [PATCH 02/16] adapt lguest launcher to per-cpuness Glauber de Oliveira Costa
  -- strict thread matches above, loose matches on Subject: below --
2007-12-20 13:33 [PATCH 0/16] lguest: introduce vcpu structure Glauber de Oliveira Costa
2007-12-20 13:33 ` [PATCH 01/16] introduce vcpu struct Glauber de Oliveira Costa
2007-12-20 13:33   ` [PATCH 02/16] adapt lguest launcher to per-cpuness Glauber de Oliveira Costa
2007-12-20 13:33     ` [PATCH 03/16] initialize vcpu Glauber de Oliveira Costa
2007-12-20 13:33       ` [PATCH 04/16] per-cpu run guest Glauber de Oliveira Costa
2007-12-20 13:33         ` [PATCH 05/16] make write() operation smp aware Glauber de Oliveira Costa
2007-12-20 13:33           ` [PATCH 06/16] make hypercalls use the vcpu struct Glauber de Oliveira Costa
2007-12-20 13:33             ` [PATCH 07/16] per-vcpu lguest timers Glauber de Oliveira Costa
2007-12-20 13:33               ` [PATCH 08/16] per-vcpu interrupt processing Glauber de Oliveira Costa
2007-12-20 13:33                 ` [PATCH 09/16] map_switcher_in_guest() per-vcpu Glauber de Oliveira Costa
2007-12-20 13:33                   ` [PATCH 10/16] make emulate_insn receive a vcpu struct Glauber de Oliveira Costa
2007-12-20 13:33                   ` Glauber de Oliveira Costa

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