From: Vitaly Kuznetsov <vkuznets@redhat.com> To: xen-devel@lists.xenproject.org Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Andrew Jones <drjones@redhat.com> Subject: [PATCH v2 02/21] x86/xen: globalize have_vcpu_info_placement Date: Thu, 2 Mar 2017 18:53:38 +0100 [thread overview] Message-ID: <20170302175357.8222-3-vkuznets@redhat.com> (raw) In-Reply-To: <20170302175357.8222-1-vkuznets@redhat.com> have_vcpu_info_placement applies to both PV and HVM and as we're going to split the code we need to make it global. Rename to xen_have_vcpu_info_placement. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- arch/x86/xen/enlighten.c | 12 ++++++------ arch/x86/xen/xen-ops.h | 2 ++ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 4c1a582..de77be9 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -164,7 +164,7 @@ struct shared_info *HYPERVISOR_shared_info = &xen_dummy_shared_info; * * 0: not available, 1: available */ -static int have_vcpu_info_placement = 1; +int xen_have_vcpu_info_placement = 1; struct tls_descs { struct desc_struct desc[3]; @@ -228,7 +228,7 @@ void xen_vcpu_setup(int cpu) per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[xen_vcpu_nr(cpu)]; - if (!have_vcpu_info_placement) { + if (!xen_have_vcpu_info_placement) { if (cpu >= MAX_VIRT_CPUS) clamp_max_cpus(); return; @@ -251,7 +251,7 @@ void xen_vcpu_setup(int cpu) if (err) { printk(KERN_DEBUG "register_vcpu_info failed: err=%d\n", err); - have_vcpu_info_placement = 0; + xen_have_vcpu_info_placement = 0; clamp_max_cpus(); } else { /* This cpu is using the registered vcpu info, even if @@ -280,7 +280,7 @@ void xen_vcpu_restore(void) xen_setup_runstate_info(cpu); - if (have_vcpu_info_placement) + if (xen_have_vcpu_info_placement) xen_vcpu_setup(cpu); if (other_cpu && is_up && @@ -1159,7 +1159,7 @@ void xen_setup_vcpu_info_placement(void) * xen_vcpu_setup managed to place the vcpu_info within the * percpu area for all cpus, so make use of it. */ - if (have_vcpu_info_placement) { + if (xen_have_vcpu_info_placement) { pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); @@ -1178,7 +1178,7 @@ static unsigned xen_patch(u8 type, u16 clobbers, void *insnbuf, #define SITE(op, x) \ case PARAVIRT_PATCH(op.x): \ - if (have_vcpu_info_placement) { \ + if (xen_have_vcpu_info_placement) { \ start = (char *)xen_##x##_direct; \ end = xen_##x##_direct_end; \ reloc = xen_##x##_direct_reloc; \ diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index f6a41c4..2b162f6 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -76,6 +76,8 @@ irqreturn_t xen_debug_interrupt(int irq, void *dev_id); bool xen_vcpu_stolen(int vcpu); +extern int xen_have_vcpu_info_placement; + void xen_vcpu_setup(int cpu); void xen_setup_vcpu_info_placement(void); -- 2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: Vitaly Kuznetsov <vkuznets@redhat.com> To: xen-devel@lists.xenproject.org Cc: Juergen Gross <jgross@suse.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, x86@kernel.org, Andrew Jones <drjones@redhat.com>, linux-kernel@vger.kernel.org Subject: [PATCH v2 02/21] x86/xen: globalize have_vcpu_info_placement Date: Thu, 2 Mar 2017 18:53:38 +0100 [thread overview] Message-ID: <20170302175357.8222-3-vkuznets@redhat.com> (raw) In-Reply-To: <20170302175357.8222-1-vkuznets@redhat.com> have_vcpu_info_placement applies to both PV and HVM and as we're going to split the code we need to make it global. Rename to xen_have_vcpu_info_placement. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- arch/x86/xen/enlighten.c | 12 ++++++------ arch/x86/xen/xen-ops.h | 2 ++ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 4c1a582..de77be9 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -164,7 +164,7 @@ struct shared_info *HYPERVISOR_shared_info = &xen_dummy_shared_info; * * 0: not available, 1: available */ -static int have_vcpu_info_placement = 1; +int xen_have_vcpu_info_placement = 1; struct tls_descs { struct desc_struct desc[3]; @@ -228,7 +228,7 @@ void xen_vcpu_setup(int cpu) per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[xen_vcpu_nr(cpu)]; - if (!have_vcpu_info_placement) { + if (!xen_have_vcpu_info_placement) { if (cpu >= MAX_VIRT_CPUS) clamp_max_cpus(); return; @@ -251,7 +251,7 @@ void xen_vcpu_setup(int cpu) if (err) { printk(KERN_DEBUG "register_vcpu_info failed: err=%d\n", err); - have_vcpu_info_placement = 0; + xen_have_vcpu_info_placement = 0; clamp_max_cpus(); } else { /* This cpu is using the registered vcpu info, even if @@ -280,7 +280,7 @@ void xen_vcpu_restore(void) xen_setup_runstate_info(cpu); - if (have_vcpu_info_placement) + if (xen_have_vcpu_info_placement) xen_vcpu_setup(cpu); if (other_cpu && is_up && @@ -1159,7 +1159,7 @@ void xen_setup_vcpu_info_placement(void) * xen_vcpu_setup managed to place the vcpu_info within the * percpu area for all cpus, so make use of it. */ - if (have_vcpu_info_placement) { + if (xen_have_vcpu_info_placement) { pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); @@ -1178,7 +1178,7 @@ static unsigned xen_patch(u8 type, u16 clobbers, void *insnbuf, #define SITE(op, x) \ case PARAVIRT_PATCH(op.x): \ - if (have_vcpu_info_placement) { \ + if (xen_have_vcpu_info_placement) { \ start = (char *)xen_##x##_direct; \ end = xen_##x##_direct_end; \ reloc = xen_##x##_direct_reloc; \ diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index f6a41c4..2b162f6 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -76,6 +76,8 @@ irqreturn_t xen_debug_interrupt(int irq, void *dev_id); bool xen_vcpu_stolen(int vcpu); +extern int xen_have_vcpu_info_placement; + void xen_vcpu_setup(int cpu); void xen_setup_vcpu_info_placement(void); -- 2.9.3 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-03-02 22:09 UTC|newest] Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-02 17:53 [PATCH v2 00/21] x86/xen: untangle PV and PVHVM guest support code Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-02 17:53 ` [PATCH v2 01/21] x86/xen: separate PV and HVM hypervisors Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-08 15:06 ` Juergen Gross 2017-03-08 15:06 ` Juergen Gross 2017-03-02 17:53 ` Vitaly Kuznetsov [this message] 2017-03-02 17:53 ` [PATCH v2 02/21] x86/xen: globalize have_vcpu_info_placement Vitaly Kuznetsov 2017-03-08 15:07 ` Juergen Gross 2017-03-08 15:07 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 03/21] x86/xen: add CONFIG_XEN_PV to Kconfig Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-08 15:12 ` Juergen Gross 2017-03-08 15:12 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 04/21] x86/xen: split off enlighten_pvh.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-08 15:14 ` Juergen Gross 2017-03-08 15:14 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 05/21] x86/xen: split off enlighten_hvm.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-08 15:16 ` Juergen Gross 2017-03-08 15:16 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 06/21] x86/xen: split off enlighten_pv.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-08 15:18 ` Juergen Gross 2017-03-08 15:18 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 07/21] x86/xen: split xen_smp_intr_init()/xen_smp_intr_free() Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 7:30 ` Juergen Gross 2017-03-13 7:30 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 08/21] x86/xen: split xen_smp_prepare_boot_cpu() Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 7:33 ` Juergen Gross 2017-03-13 7:33 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 09/21] x86/xen: split xen_cpu_die() Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 7:34 ` Juergen Gross 2017-03-13 7:34 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 10/21] x86/xen: split off smp_hvm.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 7:37 ` Juergen Gross 2017-03-13 7:37 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 11/21] x86/xen: split off smp_pv.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:33 ` Juergen Gross 2017-03-13 9:33 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 12/21] x86/xen: split off mmu_hvm.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:34 ` Juergen Gross 2017-03-13 9:34 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 13/21] x86/xen: split off mmu_pv.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:35 ` Juergen Gross 2017-03-13 9:35 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 14/21] x86/xen: split suspend.c for PV and PVHVM guests Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-05 9:13 ` kbuild test robot 2017-03-05 9:13 ` [Xen-devel] " kbuild test robot 2017-03-02 17:53 ` [PATCH v2 15/21] x86/xen: put setup.c, pmu.c and apic.c under CONFIG_XEN_PV Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-02 17:53 ` [PATCH v2 16/21] x86/xen: define startup_xen for XEN PV only Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:36 ` Juergen Gross 2017-03-13 9:36 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 17/21] x86/xen: create stubs for HVM-only builds in page.h Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:43 ` Juergen Gross 2017-03-13 9:43 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 18/21] xen/balloon: decorate PV-only parts with #ifdef CONFIG_XEN_PV Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:47 ` Juergen Gross 2017-03-13 9:47 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 19/21] xen: create xen_create/destroy_contiguous_region() stubs for PVHVM only builds Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:47 ` Juergen Gross 2017-03-13 9:47 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 20/21] x86/xen: enable PVHVM-only builds Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:48 ` Juergen Gross 2017-03-13 9:48 ` Juergen Gross 2017-03-02 17:53 ` [PATCH v2 21/21] x86/xen: rename some PV-only functions in smp_pv.c Vitaly Kuznetsov 2017-03-02 17:53 ` Vitaly Kuznetsov 2017-03-13 9:49 ` Juergen Gross 2017-03-13 9:49 ` Juergen Gross 2017-03-05 17:59 ` [Xen-devel] [PATCH v2 00/21] x86/xen: untangle PV and PVHVM guest support code Boris Ostrovsky 2017-03-13 13:02 ` Vitaly Kuznetsov 2017-03-13 13:02 ` [Xen-devel] " Vitaly Kuznetsov 2017-03-05 17:59 ` Boris Ostrovsky
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