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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Cc: Michael Neuling <michael.neuling@au1.ibm.com>,
	Michael R Meissner <mrmeissn@us.ibm.com>,
	sjmunroe@us.ibm.com, bergner@us.ibm.com,
	Ryan Arnold <ryanarn@us.ibm.com>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] arch/powerpc: advertise ISA2.07, HTM, DSCR, EBB and ISEL bits in HWCAP2
Date: Sat, 04 May 2013 09:23:51 +1000	[thread overview]
Message-ID: <1367623431.4389.132.camel@pasglop> (raw)
In-Reply-To: <20130503231933.GA29436@linux.vnet.ibm.com>

On Fri, 2013-05-03 at 16:19 -0700, Nishanth Aravamudan wrote:
> +/* in AT_HWCAP2 */
> +#define PPC_FEATURE2_ARCH_2_07         0x80000000
> +#define PPC_FEATURE2_HTM               0x40000000
> +#define PPC_FEATURE2_DSCR              0x20000000
> +#define PPC_FEATURE2_EBB               0x10000000
> +#define PPC_FEATURE2_ISEL              0x08000000

Should we "adjust" (ie filter out) some of these based
on CONFIG_ options (such as transactional memory enabled,
EBB supported by the hypervisor, etc...) ?

Cheers,
Ben.

  reply	other threads:[~2013-05-03 23:25 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-03 23:19 [PATCH] arch/powerpc: advertise ISA2.07, HTM, DSCR, EBB and ISEL bits in HWCAP2 Nishanth Aravamudan
2013-05-03 23:23 ` Benjamin Herrenschmidt [this message]
2013-05-03 23:40   ` Nishanth Aravamudan
2013-05-06 14:38     ` Ryan Arnold
2013-05-06 21:37       ` Benjamin Herrenschmidt
2013-05-07 15:11         ` Ryan Arnold
2013-05-07 20:33         ` Nishanth Aravamudan
2013-05-07 20:49           ` Benjamin Herrenschmidt
2013-05-07 21:11             ` Nishanth Aravamudan
2013-05-03 23:26 ` Michael R Meissner
2013-05-04 21:42   ` Segher Boessenkool
2013-05-04  0:04 ` Michael Neuling
2013-05-04  0:47   ` [PATCH v2 1/4] powerpc/cputable: reserve bits in HWCAP2 for new features Nishanth Aravamudan
2013-05-04  0:48     ` [PATCH v2 2/4] powerpc/cputable: advertise DSCR support on P7/P7+ Nishanth Aravamudan
2013-05-04  0:49       ` [PATCH v2 3/4] powerpc/cputable: advertise ISEL support on appropriate embedded processors Nishanth Aravamudan
2013-05-04  0:49         ` [PATCH v2 4/4] powerpc/cputable: advertise support for ISEL/HTM/DSCR/TAR on POWER8 Nishanth Aravamudan
2013-05-05  2:01         ` [PATCH v3 3/4] powerpc/cputable: advertise ISEL support on appropriate embedded processors Nishanth Aravamudan
2013-05-20 15:04       ` [PATCH v2 2/4] powerpc/cputable: advertise DSCR support on P7/P7+ Will Schmidt
2013-05-20 23:41         ` Michael Neuling
2013-05-06 19:07     ` [PATCH v2 1/4] powerpc/cputable: reserve bits in HWCAP2 for new features Ryan Arnold
2013-05-06 21:41       ` Benjamin Herrenschmidt
2013-05-07 15:07         ` Ryan Arnold

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