* [PATCH] powerpc: Add HWCAP bits for Power9
@ 2016-01-11 2:59 Michael Ellerman
2016-01-11 21:33 ` Steve Munroe
2016-01-12 12:32 ` Michael Ellerman
0 siblings, 2 replies; 3+ messages in thread
From: Michael Ellerman @ 2016-01-11 2:59 UTC (permalink / raw)
To: linuxppc-dev; +Cc: tuliom, adhemerval.zanella, cseo, bergner, sjmunroe
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] powerpc: Add HWCAP bits for Power9
2016-01-11 2:59 [PATCH] powerpc: Add HWCAP bits for Power9 Michael Ellerman
@ 2016-01-11 21:33 ` Steve Munroe
2016-01-12 12:32 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Steve Munroe @ 2016-01-11 21:33 UTC (permalink / raw)
To: Michael Ellerman; +Cc: adhemerval.zanella, bergner, cseo, linuxppc-dev, tuliom
[-- Attachment #1: Type: text/plain, Size: 1574 bytes --]
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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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: powerpc: Add HWCAP bits for Power9
2016-01-11 2:59 [PATCH] powerpc: Add HWCAP bits for Power9 Michael Ellerman
2016-01-11 21:33 ` Steve Munroe
@ 2016-01-12 12:32 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2016-01-12 12:32 UTC (permalink / raw)
To: Michael Ellerman, linuxppc-dev; +Cc: cseo, sjmunroe, adhemerval.zanella, tuliom
On Mon, 2016-11-01 at 02:59:04 UTC, Michael Ellerman wrote:
> 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>
Applied to powerpc next.
https://git.kernel.org/powerpc/c/e708c24cd01ce80b1609d8bacc
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
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