diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-03-14 18:35:37 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2017-05-02 10:50:07 +0200 |
| commit | 52519f2af020b6b53b4e0cbb8cff71058ed434cd (patch) | |
| tree | 10ac45ac20c576ef436f2b0e122b6cdfbb824ce2 /arch | |
| parent | x86/xen: separate PV and HVM hypervisors (diff) | |
| download | linux-52519f2af020b6b53b4e0cbb8cff71058ed434cd.tar.xz linux-52519f2af020b6b53b4e0cbb8cff71058ed434cd.zip | |
x86/xen: globalize have_vcpu_info_placement
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>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 12 | ||||
| -rw-r--r-- | 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 52cd7189b5d3..7b55408ff0ab 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -165,7 +165,7 @@ 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]; @@ -229,7 +229,7 @@ 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; @@ -252,7 +252,7 @@ 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 @@ -281,7 +281,7 @@ 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 && @@ -1160,7 +1160,7 @@ 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); @@ -1179,7 +1179,7 @@ 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 f6a41c41ebc7..2b162f649dfd 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); |