| Message ID | 1367919653-30414-4-git-send-email-Bharat.Bhushan@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07.05.2013, at 11:40, Bharat Bhushan wrote: > KVM need this function when switching from vcpu to user-space > thread. My subsequent patch will use this function. > > Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com> > --- > arch/powerpc/include/asm/switch_to.h | 4 ++++ > arch/powerpc/kernel/process.c | 3 ++- > 2 files changed, 6 insertions(+), 1 deletions(-) > > diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h > index 200d763..50b357f 100644 > --- a/arch/powerpc/include/asm/switch_to.h > +++ b/arch/powerpc/include/asm/switch_to.h > @@ -30,6 +30,10 @@ extern void enable_kernel_spe(void); > extern void giveup_spe(struct task_struct *); > extern void load_up_spe(struct task_struct *); > > +#ifdef CONFIG_PPC_ADV_DEBUG_REGS > +extern void switch_booke_debug_regs(struct thread_struct *new_thread); > +#endif > + > #ifndef CONFIG_SMP > extern void discard_lazy_cpu_state(void); > #else > diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c > index ca89375..a938138 100644 > --- a/arch/powerpc/kernel/process.c > +++ b/arch/powerpc/kernel/process.c > @@ -362,12 +362,13 @@ static void prime_debug_regs(struct thread_struct *thread) > * debug registers, set the debug registers from the values > * stored in the new thread. > */ > -static void switch_booke_debug_regs(struct thread_struct *new_thread) > +void switch_booke_debug_regs(struct thread_struct *new_thread) > { > if ((current->thread.debug.dbcr0 & DBCR0_IDM) > || (new_thread->debug.dbcr0 & DBCR0_IDM)) > prime_debug_regs(new_thread); > } > +EXPORT_SYMBOL(switch_booke_debug_regs); EXPORT_SYMBOL_GPL Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 200d763..50b357f 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -30,6 +30,10 @@ extern void enable_kernel_spe(void); extern void giveup_spe(struct task_struct *); extern void load_up_spe(struct task_struct *); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +extern void switch_booke_debug_regs(struct thread_struct *new_thread); +#endif + #ifndef CONFIG_SMP extern void discard_lazy_cpu_state(void); #else diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index ca89375..a938138 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -362,12 +362,13 @@ static void prime_debug_regs(struct thread_struct *thread) * debug registers, set the debug registers from the values * stored in the new thread. */ -static void switch_booke_debug_regs(struct thread_struct *new_thread) +void switch_booke_debug_regs(struct thread_struct *new_thread) { if ((current->thread.debug.dbcr0 & DBCR0_IDM) || (new_thread->debug.dbcr0 & DBCR0_IDM)) prime_debug_regs(new_thread); } +EXPORT_SYMBOL(switch_booke_debug_regs); #else /* !CONFIG_PPC_ADV_DEBUG_REGS */ #ifndef CONFIG_HAVE_HW_BREAKPOINT static void set_debug_reg_defaults(struct thread_struct *thread)
KVM need this function when switching from vcpu to user-space thread. My subsequent patch will use this function. Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com> --- arch/powerpc/include/asm/switch_to.h | 4 ++++ arch/powerpc/kernel/process.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletions(-)