From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: [PATCH for-next v3 13/22] x86/traps: move toggle_guest_mode
Date: Thu, 18 May 2017 18:09:55 +0100 [thread overview]
Message-ID: <20170518171004.27204-14-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170518171004.27204-1-wei.liu2@citrix.com>
Move from x86_64/traps.c to pv/traps.c.
No functional change.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/arch/x86/pv/traps.c | 30 ++++++++++++++++++++++++++++++
xen/arch/x86/x86_64/traps.c | 30 ------------------------------
2 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/xen/arch/x86/pv/traps.c b/xen/arch/x86/pv/traps.c
index 7c841e04cc..5b84a617e6 100644
--- a/xen/arch/x86/pv/traps.c
+++ b/xen/arch/x86/pv/traps.c
@@ -332,6 +332,36 @@ int send_guest_trap(struct domain *d, uint16_t vcpuid, unsigned int trap_nr)
return -EIO;
}
+void toggle_guest_mode(struct vcpu *v)
+{
+ if ( is_pv_32bit_vcpu(v) )
+ return;
+ if ( cpu_has_fsgsbase )
+ {
+ if ( v->arch.flags & TF_kernel_mode )
+ v->arch.pv_vcpu.gs_base_kernel = __rdgsbase();
+ else
+ v->arch.pv_vcpu.gs_base_user = __rdgsbase();
+ }
+ v->arch.flags ^= TF_kernel_mode;
+ asm volatile ( "swapgs" );
+ update_cr3(v);
+ /* Don't flush user global mappings from the TLB. Don't tick TLB clock. */
+ asm volatile ( "mov %0, %%cr3" : : "r" (v->arch.cr3) : "memory" );
+
+ if ( !(v->arch.flags & TF_kernel_mode) )
+ return;
+
+ if ( v->arch.pv_vcpu.need_update_runstate_area &&
+ update_runstate_area(v) )
+ v->arch.pv_vcpu.need_update_runstate_area = 0;
+
+ if ( v->arch.pv_vcpu.pending_system_time.version &&
+ update_secondary_system_time(v,
+ &v->arch.pv_vcpu.pending_system_time) )
+ v->arch.pv_vcpu.pending_system_time.version = 0;
+}
+
/*
* Local variables:
* mode: C
diff --git a/xen/arch/x86/x86_64/traps.c b/xen/arch/x86/x86_64/traps.c
index 78f410517c..36b694c605 100644
--- a/xen/arch/x86/x86_64/traps.c
+++ b/xen/arch/x86/x86_64/traps.c
@@ -254,36 +254,6 @@ void do_double_fault(struct cpu_user_regs *regs)
panic("DOUBLE FAULT -- system shutdown");
}
-void toggle_guest_mode(struct vcpu *v)
-{
- if ( is_pv_32bit_vcpu(v) )
- return;
- if ( cpu_has_fsgsbase )
- {
- if ( v->arch.flags & TF_kernel_mode )
- v->arch.pv_vcpu.gs_base_kernel = __rdgsbase();
- else
- v->arch.pv_vcpu.gs_base_user = __rdgsbase();
- }
- v->arch.flags ^= TF_kernel_mode;
- asm volatile ( "swapgs" );
- update_cr3(v);
- /* Don't flush user global mappings from the TLB. Don't tick TLB clock. */
- asm volatile ( "mov %0, %%cr3" : : "r" (v->arch.cr3) : "memory" );
-
- if ( !(v->arch.flags & TF_kernel_mode) )
- return;
-
- if ( v->arch.pv_vcpu.need_update_runstate_area &&
- update_runstate_area(v) )
- v->arch.pv_vcpu.need_update_runstate_area = 0;
-
- if ( v->arch.pv_vcpu.pending_system_time.version &&
- update_secondary_system_time(v,
- &v->arch.pv_vcpu.pending_system_time) )
- v->arch.pv_vcpu.pending_system_time.version = 0;
-}
-
unsigned long do_iret(void)
{
struct cpu_user_regs *regs = guest_cpu_user_regs();
--
2.11.0
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next prev parent reply other threads:[~2017-05-18 17:16 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-18 17:09 [PATCH for-next v3 00/22] x86: refactor trap handling code Wei Liu
2017-05-18 17:09 ` [PATCH for-next v3 01/22] x86/traps: move privilege instruction emulation code Wei Liu
2017-05-18 17:28 ` Wei Liu
2017-05-29 15:14 ` Jan Beulich
2017-05-30 17:27 ` Wei Liu
2017-05-30 17:30 ` Andrew Cooper
2017-05-31 5:55 ` Jan Beulich
2017-05-31 11:01 ` Wei Liu
2017-05-31 11:05 ` Andrew Cooper
2017-05-31 11:36 ` Wei Liu
2017-05-31 11:43 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 02/22] x86/traps: move gate op " Wei Liu
2017-05-29 15:15 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 03/22] x86/traps: move emulate_invalid_rdtscp Wei Liu
2017-05-29 15:18 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 04/22] x86/traps: move emulate_forced_invalid_op Wei Liu
2017-05-29 15:19 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 05/22] x86/pv: clean up emulate.c Wei Liu
2017-05-29 15:37 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 06/22] x86/traps: move PV hypercall handlers to pv/traps.c Wei Liu
2017-05-29 15:40 ` Jan Beulich
2017-05-30 17:40 ` Andrew Cooper
2017-05-31 5:59 ` Jan Beulich
2017-05-31 11:14 ` Wei Liu
2017-05-31 11:45 ` Jan Beulich
2017-06-02 11:01 ` Wei Liu
2017-06-06 7:36 ` Jan Beulich
2017-06-08 11:30 ` Andrew Cooper
2017-06-08 14:28 ` Wei Liu
2017-05-18 17:09 ` [PATCH for-next v3 07/22] x86/traps: move pv_inject_event " Wei Liu
2017-05-29 15:42 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 08/22] x86/traps: move set_guest_{machinecheck, nmi}_trapbounce Wei Liu
2017-05-29 15:43 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 09/22] x86/traps: move {un, }register_guest_nmi_callback Wei Liu
2017-05-18 17:09 ` [PATCH for-next v3 10/22] x86/traps: delcare percpu softirq_trap Wei Liu
2017-05-29 15:49 ` Jan Beulich
2017-05-31 11:35 ` Wei Liu
2017-05-31 11:46 ` Jan Beulich
2017-05-31 11:54 ` Wei Liu
2017-05-18 17:09 ` [PATCH for-next v3 11/22] x86/traps: move guest_has_trap_callback to pv/traps.c Wei Liu
2017-05-29 15:54 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 12/22] x86/traps: move send_guest_trap " Wei Liu
2017-05-29 15:55 ` Jan Beulich
2017-06-05 17:08 ` Wei Liu
2017-06-06 7:37 ` Jan Beulich
2017-05-18 17:09 ` Wei Liu [this message]
2017-05-29 16:05 ` [PATCH for-next v3 13/22] x86/traps: move toggle_guest_mode Jan Beulich
2017-05-30 17:47 ` Andrew Cooper
2017-05-31 6:00 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 14/22] x86/traps: move do_iret to pv/traps.c Wei Liu
2017-05-29 16:07 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 15/22] x86/traps: move init_int80_direct_trap Wei Liu
2017-05-29 16:07 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 16/22] x86/traps: move callback_op code Wei Liu
2017-05-29 16:09 ` Jan Beulich
2017-05-18 17:09 ` [PATCH for-next v3 17/22] x86/traps: move hypercall_page_initialise_ring3_kernel Wei Liu
2017-05-29 16:10 ` Jan Beulich
2017-05-18 17:10 ` [PATCH for-next v3 18/22] x86/traps: merge x86_64/compat/traps.c into pv/traps.c Wei Liu
2017-05-29 16:12 ` Jan Beulich
2017-05-18 17:10 ` [PATCH for-next v3 19/22] x86: clean up pv/traps.c Wei Liu
2017-05-29 16:18 ` Jan Beulich
2017-05-18 17:10 ` [PATCH for-next v3 20/22] x86: guest_has_trap_callback should return bool Wei Liu
2017-05-18 17:10 ` [PATCH for-next v3 21/22] x86: fix coding style issues in asm-x86/traps.h Wei Liu
2017-05-18 17:10 ` [PATCH for-next v3 22/22] x86: clean up traps.c Wei Liu
2017-05-29 16:21 ` Jan Beulich
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