On 09/04/16 01:40, Luis R. Rodriguez wrote:
> That that paravirt_enabled() is replaced with proper
> x86 semantics we can remove it.
>
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
> ---
> arch/x86/include/asm/paravirt.h | 5 -----
> arch/x86/include/asm/paravirt_types.h | 1 -
> arch/x86/include/asm/processor.h | 1 -
> arch/x86/kernel/kvm.c | 8 --------
> arch/x86/kernel/paravirt.c | 1 -
> arch/x86/lguest/boot.c | 2 --
> arch/x86/xen/enlighten.c | 1 -
> 7 files changed, 19 deletions(-)
Xen parts:
Acked-by: Juergen Gross <jgross@xxxxxxxx>
Juergen
>
> diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
> index 6c7a4a192032..dff26bc91b17 100644
> --- a/arch/x86/include/asm/paravirt.h
> +++ b/arch/x86/include/asm/paravirt.h
> @@ -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)
> {
> diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
> index 6acc1b26cf40..7fedf24bd811 100644
> --- a/arch/x86/include/asm/paravirt_types.h
> +++ b/arch/x86/include/asm/paravirt_types.h
> @@ -69,7 +69,6 @@ struct pv_info {
> u16 extra_user_64bit_cs; /* __USER_CS if none */
> #endif
>
> - int paravirt_enabled;
> const char *name;
> };
>
> diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
> index 0c70c7daa6b8..8d326e822cb8 100644
> --- a/arch/x86/include/asm/processor.h
> +++ b/arch/x86/include/asm/processor.h
> @@ -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)
> diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
> index dc1207e2f193..eea2a6f72b31 100644
> --- a/arch/x86/kernel/kvm.c
> +++ b/arch/x86/kernel/kvm.c
> @@ -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;
>
> diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
> index f08ac28b8136..71a2d8a05a66 100644
> --- a/arch/x86/kernel/paravirt.c
> +++ b/arch/x86/kernel/paravirt.c
> @@ -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 */
>
> diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
> index f5497ee5fd2f..3847e736702e 100644
> --- a/arch/x86/lguest/boot.c
> +++ b/arch/x86/lguest/boot.c
> @@ -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. */
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index e066fcf87c3d..7c1da39623f4 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -1186,7 +1186,6 @@ 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
>
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