[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v3] arm,smmu: match start level of page table walk with P2M
- To: Julien Grall <julien@xxxxxxx>, sstabellini@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Volodymyr_Babchuk@xxxxxxxx, will@xxxxxxxxxx
- From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
- Date: Fri, 2 Oct 2020 19:38:33 +0300
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=mTHHU8JHyLqSMsxY5XKoXaIlmoeMNz1VJwB0pfiKP0A=; b=Ci3XbvQF05tYe61B0BIwqBvqqYyBq0+40JWSZewGo5RIGVMCxKUw54Ua0EpvNat5l1UAWxJHNHuwir+XGzVTlcSs02CT0d/JteqHzPn94bKVhjoXmc59N0f4AGPqYHyB7AKdwTp4iQ+zXfAGk926nPaz4Xh7ZnDpx3CHanCe+VWPRLNlHOw3vYhrXiQK87vdLzFgh58f8bLhZ+iUiQ4QuGdFrQFOmOfQGOsOvAcDnWmkOnLJcyr5xAn5uGNpTVCAoFgI1hXbnu1uQ2wqnHGVQZgjcbV3R8x7SxhIu7C5zgsSbB2B0Hi2J87ghFUdegfbkakNM8g+ROU8eI+RAL8jng==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Wc1cgADXlo22tBLRuaCLGpGhncQwEZcRZNz9jS9XlKjK4LJd0H573zPktcue/KJcigv0iRmnO/fMgadKa9z20l7lZC+3/W4Z9/4ABeRRqBLilsGR6KFwMcmSRnVPQK3Oxkvtj0xU0itaJ+InfH6tXnL89G7JkV8GpCfmwhmjF2mklE/hu4G2m0inxhyCcs51OLDj2FkdIWwrTOtMwWFB2a4Cvi37POykEHCaunOU8OLn8NQxSM+ykFxjBhf6St/6l0FJwkN1qaf3v4pMIlAfkZT5teNk3e6GC9oOR+d6sYJW9vLblXeZOplNqDcZHoPsTwit3uGalu+7czZ8VCo4Cw==
- Authentication-results: nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=none action=none header.from=nxp.com;
- Cc: diana.craciun@xxxxxxx, anda-alexandra.dorneanu@xxxxxxx
- Delivery-date: Fri, 02 Oct 2020 16:38:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 10/2/2020 7:36 PM, Julien Grall wrote:
> Hi,
>
> On 02/10/2020 11:33, laurentiu.tudor@xxxxxxx wrote:
>> From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
>>
>> Don't hardcode the lookup start level of the page table walk to 1
>> and instead match the one used in P2M. This should fix scenarios
>> involving SMMU where the start level is different than 1.
>> In order for the SMMU driver to also compile on arm32 move the
>> P2M_ROOT_LEVEL in the p2m header file (while at it, for
>> consistency also P2M_ROOT_ORDER) and use the macro in the smmu
>> driver.
>>
>> Signed-off-by: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
>
> Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
>
Thanks, Julien!
--
Best Regards, Laurentiu
|
