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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Julien Grall <julien.grall@arm.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: Fri, 13 May 2016 16:37:16 -0400	[thread overview]
Message-ID: <20160513203716.GD20323@char.us.oracle.com> (raw)
In-Reply-To: <1462466065-30212-12-git-send-email-julien.grall@arm.com>

> 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?


> +        cpus_set_cap(caps[i].capability);
> +    }
> +}
> +
>  /*
>   * Local variables:
>   * mode: C

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  reply	other threads:[~2016-05-13 20:37 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 [this message]
2016-05-14 18:04     ` Julien Grall
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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