From: Julien Grall <julien.grall@arm.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: andre.przywara@arm.com, sstabellini@kernel.org,
steve.capper@arm.com, wei.chen@arm.com, xen-devel@lists.xen.org
Subject: Re: [RFC 11/16] xen/arm: Detect silicon revision and set cap bits accordingly
Date: Sat, 14 May 2016 19:04:19 +0100 [thread overview]
Message-ID: <573768A3.8010804@arm.com> (raw)
In-Reply-To: <20160513203716.GD20323@char.us.oracle.com>
Hi Konrad,
On 13/05/2016 21:37, Konrad Rzeszutek Wilk wrote:
>> diff --git a/xen/arch/arm/cpufeature.c b/xen/arch/arm/cpufeature.c
>> index 7a1b56b..aa7c5b1 100644
>> --- a/xen/arch/arm/cpufeature.c
>> +++ b/xen/arch/arm/cpufeature.c
>> @@ -24,6 +24,22 @@
>>
>> DECLARE_BITMAP(cpu_hwcaps, ARM_NCAPS);
>>
>> +void update_cpu_capabilities(const struct arm_cpu_capabilities *caps,
>> + const char *info)
>> +{
>> + int i;
>> +
>> + for ( i = 0; caps[i].matches; i++ )
>> + {
>> + if ( !caps[i].matches(&caps[i]) )
>> + continue;
>> +
>> + if ( !cpus_have_cap(caps[i].capability) && caps[i].desc )
>> + printk("%s: %s\n", info, caps[i].desc);
>
> dprintk?
No, this message is useful to know the list of "features" available for
the platform.
Regards,
--
Julien Grall
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next prev parent reply other threads:[~2016-05-14 18:04 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-05 16:34 [RFC 00/16] xen/arm: Introduce alternative runtime patching for ARM64 Julien Grall
2016-05-05 16:34 ` [RFC 01/16] xen/arm: Makefile: Sort the entries alphabetically Julien Grall
2016-05-09 9:34 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 02/16] xen/arm: Include the header asm-arm/system.h in asm-arm/page.h Julien Grall
2016-05-09 9:34 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 03/16] xen/arm: Add macros to handle the MIDR Julien Grall
2016-05-09 9:37 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 04/16] xen/arm: arm64: Import flush_icache_range from Linux v4.6-rc3 Julien Grall
2016-05-09 9:40 ` Julien Grall
2016-05-05 16:34 ` [RFC 05/16] xen/arm: Add cpu_hwcap bitmap Julien Grall
2016-05-09 9:53 ` Stefano Stabellini
2016-05-09 10:02 ` Julien Grall
2016-05-05 16:34 ` [RFC 06/16] xen/arm64: Add an helper to invalidate all instruction caches Julien Grall
2016-05-09 9:50 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 07/16] xen/arm: arm64: Move the define BRK_BUG_FRAME into a separate header Julien Grall
2016-05-09 9:55 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 08/16] xen/arm: arm64: Reserve a brk immediate to fault on purpose Julien Grall
2016-05-09 9:58 ` Stefano Stabellini
2016-05-05 16:34 ` [RFC 09/16] xen/arm: arm64: Add helpers to decode and encode branch instructions Julien Grall
2016-05-09 10:05 ` Stefano Stabellini
2016-05-09 13:04 ` Julien Grall
2016-05-23 10:52 ` Julien Grall
2016-05-13 20:35 ` Konrad Rzeszutek Wilk
2016-05-14 10:49 ` Julien Grall
2016-05-05 16:34 ` [RFC 10/16] xen/arm: Introduce alternative runtime patching Julien Grall
2016-05-13 20:26 ` Konrad Rzeszutek Wilk
2016-05-14 18:02 ` Julien Grall
2016-05-21 15:09 ` Stefano Stabellini
2016-05-23 11:11 ` Julien Grall
2016-05-30 14:45 ` Stefano Stabellini
2016-05-30 16:42 ` Julien Grall
2016-05-31 9:21 ` Stefano Stabellini
2016-05-31 10:24 ` Julien Grall
2016-06-02 14:46 ` Konrad Rzeszutek Wilk
2016-06-02 15:04 ` Julien Grall
2016-06-02 15:14 ` Julien Grall
2016-06-06 14:17 ` Konrad Rzeszutek Wilk
2016-06-06 14:18 ` Julien Grall
2016-05-05 16:34 ` [RFC 11/16] xen/arm: Detect silicon revision and set cap bits accordingly Julien Grall
2016-05-13 20:37 ` Konrad Rzeszutek Wilk
2016-05-14 18:04 ` Julien Grall [this message]
2016-05-16 13:50 ` Konrad Rzeszutek Wilk
2016-05-16 13:54 ` Julien Grall
2016-05-05 16:34 ` [RFC 12/16] xen/arm: Document the errata implemented in Xen Julien Grall
2016-05-05 16:34 ` [RFC 13/16] xen/arm: arm64: Add Cortex-A53 cache errata workaround Julien Grall
2016-05-21 14:40 ` Stefano Stabellini
2016-05-23 13:39 ` Julien Grall
2016-05-05 16:34 ` [RFC 14/16] xen/arm: arm64: Add cortex-A57 erratum 832075 workaround Julien Grall
2016-05-05 16:34 ` [RFC 15/16] xen/arm: traps: Don't inject a fault if the translation VA -> IPA fails Julien Grall
2016-05-21 14:42 ` Stefano Stabellini
2016-05-21 14:51 ` Stefano Stabellini
2016-05-23 13:45 ` Julien Grall
2016-05-05 16:34 ` [RFC 16/16] xen/arm: arm64: Document Cortex-A57 erratum 834220 Julien Grall
2016-05-05 16:38 ` [RFC 00/16] xen/arm: Introduce alternative runtime patching for ARM64 Julien Grall
2016-05-11 2:28 ` Wei Chen
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