From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754322AbdCBSMX (ORCPT ); Thu, 2 Mar 2017 13:12:23 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59050 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753903AbdCBSMW (ORCPT ); Thu, 2 Mar 2017 13:12:22 -0500 From: Vitaly Kuznetsov To: xen-devel@lists.xenproject.org Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Boris Ostrovsky , Juergen Gross , Andrew Jones Subject: [PATCH v2 14/21] x86/xen: split suspend.c for PV and PVHVM guests Date: Thu, 2 Mar 2017 18:53:50 +0100 Message-Id: <20170302175357.8222-15-vkuznets@redhat.com> In-Reply-To: <20170302175357.8222-1-vkuznets@redhat.com> References: <20170302175357.8222-1-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 02 Mar 2017 17:54:26 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Slit the code in suspend.c into suspend_pv.c and suspend_hvm.c. Reviewed-by: Juergen Gross Signed-off-by: Vitaly Kuznetsov --- arch/x86/xen/Makefile | 3 ++- arch/x86/xen/suspend.c | 54 ---------------------------------------------- arch/x86/xen/suspend_hvm.c | 22 +++++++++++++++++++ arch/x86/xen/suspend_pv.c | 44 +++++++++++++++++++++++++++++++++++++ arch/x86/xen/xen-ops.h | 13 +++++++++++ 5 files changed, 81 insertions(+), 55 deletions(-) create mode 100644 arch/x86/xen/suspend_hvm.c create mode 100644 arch/x86/xen/suspend_pv.c diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 8da1ca9..cf8d6c5 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -15,7 +15,8 @@ obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ grant-table.o suspend.o platform-pci-unplug.o \ p2m.o apic.o pmu.o enlighten_pv.o mmu_pv.o -obj-$(CONFIG_XEN_PVHVM) += enlighten_hvm.o mmu_hvm.o +obj-$(CONFIG_XEN_PVHVM) += enlighten_hvm.o mmu_hvm.o suspend_hvm.o +obj-$(CONFIG_XEN_PV) += suspend_pv.o obj-$(CONFIG_XEN_PVH) += enlighten_pvh.o obj-$(CONFIG_EVENT_TRACING) += trace.o diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index 7f664c4..d6b1680 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -14,60 +14,6 @@ #include "mmu.h" #include "pmu.h" -static void xen_pv_pre_suspend(void) -{ - xen_mm_pin_all(); - - xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn); - xen_start_info->console.domU.mfn = - mfn_to_pfn(xen_start_info->console.domU.mfn); - - BUG_ON(!irqs_disabled()); - - HYPERVISOR_shared_info = &xen_dummy_shared_info; - if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP), - __pte_ma(0), 0)) - BUG(); -} - -static void xen_hvm_post_suspend(int suspend_cancelled) -{ -#ifdef CONFIG_XEN_PVHVM - int cpu; - if (!suspend_cancelled) - xen_hvm_init_shared_info(); - xen_callback_vector(); - xen_unplug_emulated_devices(); - if (xen_feature(XENFEAT_hvm_safe_pvclock)) { - for_each_online_cpu(cpu) { - xen_setup_runstate_info(cpu); - } - } -#endif -} - -static void xen_pv_post_suspend(int suspend_cancelled) -{ - xen_build_mfn_list_list(); - - xen_setup_shared_info(); - - if (suspend_cancelled) { - xen_start_info->store_mfn = - pfn_to_mfn(xen_start_info->store_mfn); - xen_start_info->console.domU.mfn = - pfn_to_mfn(xen_start_info->console.domU.mfn); - } else { -#ifdef CONFIG_SMP - BUG_ON(xen_cpu_initialized_map == NULL); - cpumask_copy(xen_cpu_initialized_map, cpu_online_mask); -#endif - xen_vcpu_restore(); - } - - xen_mm_unpin_all(); -} - void xen_arch_pre_suspend(void) { if (xen_pv_domain()) diff --git a/arch/x86/xen/suspend_hvm.c b/arch/x86/xen/suspend_hvm.c new file mode 100644 index 0000000..01afcad --- /dev/null +++ b/arch/x86/xen/suspend_hvm.c @@ -0,0 +1,22 @@ +#include + +#include +#include +#include + +#include "xen-ops.h" + +void xen_hvm_post_suspend(int suspend_cancelled) +{ + int cpu; + + if (!suspend_cancelled) + xen_hvm_init_shared_info(); + xen_callback_vector(); + xen_unplug_emulated_devices(); + if (xen_feature(XENFEAT_hvm_safe_pvclock)) { + for_each_online_cpu(cpu) { + xen_setup_runstate_info(cpu); + } + } +} diff --git a/arch/x86/xen/suspend_pv.c b/arch/x86/xen/suspend_pv.c new file mode 100644 index 0000000..496decca --- /dev/null +++ b/arch/x86/xen/suspend_pv.c @@ -0,0 +1,44 @@ +#include + +#include +#include + +#include "xen-ops.h" + +void xen_pv_pre_suspend(void) +{ + xen_mm_pin_all(); + + xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn); + xen_start_info->console.domU.mfn = + mfn_to_pfn(xen_start_info->console.domU.mfn); + + BUG_ON(!irqs_disabled()); + + HYPERVISOR_shared_info = &xen_dummy_shared_info; + if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP), + __pte_ma(0), 0)) + BUG(); +} + +void xen_pv_post_suspend(int suspend_cancelled) +{ + xen_build_mfn_list_list(); + + xen_setup_shared_info(); + + if (suspend_cancelled) { + xen_start_info->store_mfn = + pfn_to_mfn(xen_start_info->store_mfn); + xen_start_info->console.domU.mfn = + pfn_to_mfn(xen_start_info->console.domU.mfn); + } else { +#ifdef CONFIG_SMP + BUG_ON(xen_cpu_initialized_map == NULL); + cpumask_copy(xen_cpu_initialized_map, cpu_online_mask); +#endif + xen_vcpu_restore(); + } + + xen_mm_unpin_all(); +} diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 7baeb04..ed7ada2 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -153,5 +153,18 @@ extern int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int), extern void xen_reboot(int reason); extern void xen_emergency_restart(void); +#ifdef CONFIG_XEN_PV +extern void xen_pv_pre_suspend(void); +extern void xen_pv_post_suspend(int suspend_cancelled); +#else +static inline void xen_pv_pre_suspend(void) {} +static inline void xen_pv_post_suspend(int suspend_cancelled) {} +#endif + +#ifdef CONFIG_XEN_PVHVM +extern void xen_hvm_post_suspend(int suspend_cancelled); +#else +static inline void xen_hvm_post_suspend(int suspend_cancelled) {} +#endif #endif /* XEN_OPS_H */ -- 2.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: [PATCH v2 14/21] x86/xen: split suspend.c for PV and PVHVM guests Date: Thu, 2 Mar 2017 18:53:50 +0100 Message-ID: <20170302175357.8222-15-vkuznets@redhat.com> References: <20170302175357.8222-1-vkuznets@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cjUvs-0003j9-79 for xen-devel@lists.xenproject.org; Thu, 02 Mar 2017 17:54:28 +0000 In-Reply-To: <20170302175357.8222-1-vkuznets@redhat.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Boris Ostrovsky , x86@kernel.org, Andrew Jones , linux-kernel@vger.kernel.org List-Id: xen-devel@lists.xenproject.org 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