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SubjectRe: [PATCH] powerpc/ppc-opcode: Fix PPC_RAW_TW()
Christophe Leroy wrote:
> PPC_RAW_TW() is erroneously defined with base code 0x7f000008
> instead of 0x7c000008.
>
> That's invisible because its only user is PPC_RAW_TRAP() which is
> 0x7fe00008, but fix it anyway to avoid any risk of future bug.
>
> Reported-by: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
> Fixes: d00d762daf12 ("powerpc/ppc-opcode: Define and use PPC_RAW_TRAP() and PPC_RAW_TW()")
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> ---
> arch/powerpc/include/asm/ppc-opcode.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Thanks.
Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>

>
> diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
> index d9703c5fd713..c6d724104ed1 100644
> --- a/arch/powerpc/include/asm/ppc-opcode.h
> +++ b/arch/powerpc/include/asm/ppc-opcode.h
> @@ -571,7 +571,7 @@
>
> #define PPC_RAW_BRANCH(offset) (0x48000000 | PPC_LI(offset))
> #define PPC_RAW_BL(offset) (0x48000001 | PPC_LI(offset))
> -#define PPC_RAW_TW(t0, a, b) (0x7f000008 | ___PPC_RS(t0) | ___PPC_RA(a) | ___PPC_RB(b))
> +#define PPC_RAW_TW(t0, a, b) (0x7c000008 | ___PPC_RS(t0) | ___PPC_RA(a) | ___PPC_RB(b))
> #define PPC_RAW_TRAP() PPC_RAW_TW(31, 0, 0)
> #define PPC_RAW_SETB(t, bfa) (0x7c000100 | ___PPC_RT(t) | ___PPC_RA((bfa) << 2))
>
> --
> 2.36.1
>
>

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