From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Bhushan Bharat-R65777 <R65777@freescale.com>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Powerpc: Kernel warn_on when enabling IOMMU_API
Date: Tue, 13 Aug 2013 00:13:41 +1000 [thread overview]
Message-ID: <5208ED95.4090204@ozlabs.ru> (raw)
In-Reply-To: <6A3DF150A5B70D4F9B66A25E3F7C888D0710DCBF@039-SN2MPN1-013.039d.mgd.msft.net>
On 08/12/2013 08:20 PM, Bhushan Bharat-R65777 wrote:
> And this simple fix work for me
> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
> index b20ff17..8869b0d 100644
> --- a/arch/powerpc/kernel/iommu.c
> +++ b/arch/powerpc/kernel/iommu.c
> @@ -48,6 +48,8 @@
> #include <asm/vio.h>
> #include <asm/tce.h>
>
> +#define DEBUG
> +
> #define DBG(...)
>
> static int novmerge;
> @@ -871,7 +873,7 @@ void iommu_free_coherent(struct iommu_table *tbl, size_t size,
> }
> }
>
> -#ifdef CONFIG_IOMMU_API
> +#ifdef SPAPR_TCE_IOMMU
> /*
> * SPAPR TCE API
> */
> ----------------------
And with this fix, what does "ls -laR /sys/kernel/iommu_groups/" print?
--
Alexey
next prev parent reply other threads:[~2013-08-12 14:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 10:20 Powerpc: Kernel warn_on when enabling IOMMU_API Bhushan Bharat-R65777
2013-08-12 14:13 ` Alexey Kardashevskiy [this message]
2013-08-12 16:14 ` Bhushan Bharat-R65777
2013-08-13 0:11 ` Alexey Kardashevskiy
2013-08-13 10:44 ` Bhushan Bharat-R65777
2013-08-13 12:54 ` Alexey Kardashevskiy
2013-08-13 15:30 ` Bhushan Bharat-R65777
2013-08-12 16:52 ` Bhushan Bharat-R65777
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