[PATCH 03/13] kvm/powerpc: Fix the build for 32-bit Book 3S (classic) processors

[Alexander Graf]

Am 11.05.2011 um 12:39 schrieb Paul Mackerras <paulus at samba.org>:

> Commits a5d4f3ad3a ("powerpc: Base support for exceptions using
> HSRR0/1") and 673b189a2e ("powerpc: Always use SPRN_SPRG_HSCRATCH0
> when running in HV mode") cause compile and link errors for 32-bit
> classic Book 3S processors when KVM is enabled.  This fixes these
> errors.
> 
> Signed-off-by: Paul Mackerras <paulus at samba.org>
> ---
> arch/powerpc/include/asm/reg.h       |    5 +++++
> arch/powerpc/kvm/book3s_rmhandlers.S |    2 ++
> 2 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
> index 47e3416..05658b7 100644
> --- a/arch/powerpc/include/asm/reg.h
> +++ b/arch/powerpc/include/asm/reg.h
> @@ -823,6 +823,11 @@
>    FTR_SECTION_ELSE_NESTED(66);            \
>    mtspr    SPRN_SPRG_HSCRATCH0,rX;            \
>    ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
> +
> +#else /* CONFIG_PPC_BOOK3S_64 */
> +#define GET_SCRATCH0(rX)    mfspr    rX,SPRN_SPRG_SCRATCH0
> +#define SET_SCRATCH0(rX)    mtspr    SPRN_SPRG_SCRATCH0,rX
> +
> #endif
> 
> #ifdef CONFIG_PPC_BOOK3E_64
> diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
> index ae99af6..1a1b344 100644
> --- a/arch/powerpc/kvm/book3s_rmhandlers.S
> +++ b/arch/powerpc/kvm/book3s_rmhandlers.S
> @@ -112,7 +112,9 @@ INTERRUPT_TRAMPOLINE    BOOK3S_INTERRUPT_MACHINE_CHECK
> INTERRUPT_TRAMPOLINE    BOOK3S_INTERRUPT_DATA_STORAGE
> INTERRUPT_TRAMPOLINE    BOOK3S_INTERRUPT_INST_STORAGE
> INTERRUPT_TRAMPOLINE    BOOK3S_INTERRUPT_EXTERNAL
> +#ifdef CONFIG_PPC_BOOK3S_64
> INTERRUPT_TRAMPOLINE    BOOK3S_INTERRUPT_EXTERNAL_HV

Hrm - I don't remember putting this one here. When did it get into the tree and why wasn't I CC'ed?

Alex