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x86/paravirt: Remove paravirt_enabled()

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Now that all previous paravirt_enabled() uses were replaced with proper
x86 semantics by the previous patches we can remove the unused
paravirt_enabled() mechanism.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: andrew.cooper3@citrix.com
Cc: andriy.shevchenko@linux.intel.com
Cc: bigeasy@linutronix.de
Cc: boris.ostrovsky@oracle.com
Cc: david.vrabel@citrix.com
Cc: ffainelli@freebox.fr
Cc: george.dunlap@citrix.com
Cc: glin@suse.com
Cc: jlee@suse.com
Cc: josh@joshtriplett.org
Cc: julien.grall@linaro.org
Cc: konrad.wilk@oracle.com
Cc: kozerkov@parallels.com
Cc: lenb@kernel.org
Cc: lguest@lists.ozlabs.org
Cc: linux-acpi@vger.kernel.org
Cc: lv.zheng@intel.com
Cc: matt@codeblueprint.co.uk
Cc: mbizon@freebox.fr
Cc: rjw@rjwysocki.net
Cc: robert.moore@intel.com
Cc: rusty@rustcorp.com.au
Cc: tiwai@suse.de
Cc: toshi.kani@hp.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1460592286-300-15-git-send-email-mcgrof@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Luis R. Rodriguez 2016-04-13 17:04:44 -07:00 committed by Ingo Molnar
parent f2d85299b7
commit 867fe800b4
7 changed files with 0 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/include/asm/paravirt.h
View File

@ -15,11 +15,6 @@
#include <linux/cpumask.h>
#include <asm/frame.h>
static inline int paravirt_enabled(void)
{
return pv_info.paravirt_enabled;
}
static inline void load_sp0(struct tss_struct *tss,
struct thread_struct *thread)
{

1
arch/x86/include/asm/paravirt_types.h
View File

@ -69,7 +69,6 @@ struct pv_info {
u16 extra_user_64bit_cs; /* __USER_CS if none */
#endif
int paravirt_enabled;
const char *name;
};

1
arch/x86/include/asm/processor.h
View File

@ -473,7 +473,6 @@ static inline unsigned long current_top_of_stack(void)
#include <asm/paravirt.h>
#else
#define __cpuid native_cpuid
#define paravirt_enabled() 0
static inline void load_sp0(struct tss_struct *tss,
struct thread_struct *thread)

8
arch/x86/kernel/kvm.c
View File

@ -285,14 +285,6 @@ static void __init paravirt_ops_setup(void)
{
pv_info.name = "KVM";
/*
* KVM isn't paravirt in the sense of paravirt_enabled. A KVM
* guest kernel works like a bare metal kernel with additional
* features, and paravirt_enabled is about features that are
* missing.
*/
pv_info.paravirt_enabled = 0;
if (kvm_para_has_feature(KVM_FEATURE_NOP_IO_DELAY))
pv_cpu_ops.io_delay = kvm_io_delay;

1
arch/x86/kernel/paravirt.c
View File

@ -294,7 +294,6 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
struct pv_info pv_info = {
.name = "bare hardware",
.paravirt_enabled = 0,
.kernel_rpl = 0,
.shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */

2
arch/x86/lguest/boot.c
View File

@ -1408,8 +1408,6 @@ __init void lguest_init(void)
{
/* We're under lguest. */
pv_info.name = "lguest";
/* Paravirt is enabled. */
pv_info.paravirt_enabled = 1;
/* We're running at privilege level 1, not 0 as normal. */
pv_info.kernel_rpl = 1;
/* Everyone except Xen runs with this set. */

1
arch/x86/xen/enlighten.c
View File

@ -1187,7 +1187,6 @@ static unsigned xen_patch(u8 type, u16 clobbers, void *insnbuf,
}
static const struct pv_info xen_info __initconst = {
.paravirt_enabled = 1,
.shared_kernel_pmd = 0,
#ifdef CONFIG_X86_64