From: "Steve Munroe" <sjmunroe@us.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: adhemerval.zanella@linaro.org, bergner@vnet.ibm.com,
cseo@linux.vnet.ibm.com, linuxppc-dev@ozlabs.org,
tuliom@linux.vnet.ibm.com
Subject: Re: [PATCH] powerpc: Add HWCAP bits for Power9
Date: Mon, 11 Jan 2016 15:33:15 -0600 [thread overview]
Message-ID: <201601112143.u0BLhWAt026201@d03av04.boulder.ibm.com> (raw)
In-Reply-To: <1452481144-26173-1-git-send-email-mpe@ellerman.id.au>
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Michael Ellerman <mpe@ellerman.id.au> wrote on 01/10/2016 08:59:04 PM:
> From: Michael Ellerman <mpe@ellerman.id.au>
> To: <linuxppc-dev@ozlabs.org>
> Cc: tuliom@linux.vnet.ibm.com, adhemerval.zanella@linaro.org,
> cseo@linux.vnet.ibm.com, bergner@vnet.ibm.com, Steve Munroe/
> Rochester/IBM@IBMUS
> Date: 01/10/2016 08:59 PM
> Subject: [PATCH] powerpc: Add HWCAP bits for Power9
>
> In order to support Power9 we need two new HWCAP bits. We are merging
> these ahead of the cputable entry so that glibc can start referring to
> them.
>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
> arch/powerpc/include/uapi/asm/cputable.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/
> powerpc/include/uapi/asm/cputable.h
> index 43686043e297..8dde19962a5b 100644
> --- a/arch/powerpc/include/uapi/asm/cputable.h
> +++ b/arch/powerpc/include/uapi/asm/cputable.h
> @@ -43,5 +43,7 @@
> #define PPC_FEATURE2_TAR 0x04000000
> #define PPC_FEATURE2_VEC_CRYPTO 0x02000000
> #define PPC_FEATURE2_HTM_NOSC 0x01000000
> +#define PPC_FEATURE2_ARCH_3_00 0x00800000 /* ISA 3.00 */
> +#define PPC_FEATURE2_HAS_IEEE128 0x00400000 /* VSX IEEE Binary
> Float 128-bit */
>
> #endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */
> --
> 2.5.0
>
We need this in mainline kernel ASAP or the GLIBC maintainers are going to
force us to revert our patch. Missing GLIBC2.23.
Steven J. Munroe
Linux on Power Toolchain Architect
IBM Corporation, Linux Technology Center
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next prev parent reply other threads:[~2016-01-11 21:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-11 2:59 [PATCH] powerpc: Add HWCAP bits for Power9 Michael Ellerman
2016-01-11 21:33 ` Steve Munroe [this message]
2016-01-12 12:32 ` Michael Ellerman
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