[PATCH] powerpc: Add HWCAP bits for Power9

Subsystems: linux for powerpc (32-bit and 64-bit), the rest

STALE3888d

3 messages, 2 authors, 2016-01-12 · open the first message on its own page

[PATCH] powerpc: Add HWCAP bits for Power9

From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-01-11 02:59:07 

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

Re: [PATCH] powerpc: Add HWCAP bits for Power9

From: Steve Munroe <hidden>
Date: 2016-01-11 21:43:39 

Michael Ellerman [off-list ref] wrote on 01/10/2016 08:59:04 PM:
quoted hunk
From: Michael Ellerman <mpe@ellerman.id.au>
To: <redacted>
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

Re: powerpc: Add HWCAP bits for Power9

From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-01-12 12:32:52 

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
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