linux-kernel - Re: [PATCH v9 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

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Date:	Fri, 27 Feb 2015 18:51:43 +0800
From:	Shannon Zhao <zhaoshenglong@...wei.com>
To:	Hanjun Guo <hanjun.guo@...aro.org>,
	Timur Tabi <timur@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>
CC:	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <mark.rutland@....com>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Jon Masters <jcm@...hat.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	<suravee.suthikulpanit@....com>, <linux-acpi@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linaro-acpi@...ts.linaro.org>,
	"Huangpeng (Peter)" <peter.huangpeng@...wei.com>
Subject: Re: [PATCH v9 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

On 2015/2/27 16:37, Hanjun Guo wrote:
> Hi Timur,
> 
> On 2015年02月27日 11:20, Timur Tabi wrote:
>> On 02/25/2015 02:39 AM, Hanjun Guo wrote:
>>> Changes since v8:
>>
>> I'm still debugging it, but v9 on the 4.0-rc1 kernel crashes after
>> calling the UEFI boot time services exit function.  That is, this line:
>>
>> status = sys_table->boottime->exit_boot_services(handle, mmap_key);
>>
>> in allocate_new_fdt_and_exit_boot() gets called, and then soon after it
>> returns, the kernel crashes.  It's really early because the UEFI
>> exception handler is called.
>>
>> I did not have this problem with v8 patchset on 3.19.
> 
> I tested this patch set on FVP base model with UEFI, and booted ok.
> Can you boot the system without this ACPI patch set?
> 
>>
>>
>> Also, you still have a couple whitespace problems in these patches:
>>
>> Applying: ARM64 / ACPI: additions of ACPI documentation for arm64
>> /local/mnt/workspace/linux.0/.git/rebase-apply/patch:607: new blank line
>> at EOF.
>> +
>> /local/mnt/workspace/linux.0/.git/rebase-apply/patch:844: new blank line
>> at EOF.
>> +
>> warning: 2 lines add whitespace errors.
>> Applying: Documentation: ACPI for ARM64
>> /local/mnt/workspace/linux.0/.git/rebase-apply/patch:517: new blank line
>> at EOF.
>> +
>> warning: 1 line adds whitespace errors.
> 
> Weired, When I checked the patch locally there were no whitespace
> problems:

I found those whitespace errors too. Please see the comments in each patch.

-- 
Thanks,
Shannon

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