lkml.org 
[lkml]   [2013]   [Oct]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/8] ACPI, CPER: Update cper info
On 10/16/2013 07:09 AM, Chen Gong wrote:
> On Tue, Oct 15, 2013 at 11:47:23PM +0530, Naveen N. Rao wrote:
>> Date: Tue, 15 Oct 2013 23:47:23 +0530
>> From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
>> To: "Chen, Gong" <gong.chen@linux.intel.com>
>> Cc: tony.luck@intel.com, bp@alien8.de, linux-kernel@vger.kernel.org,
>> linux-acpi@vger.kernel.org
>> Subject: Re: [PATCH 2/8] ACPI, CPER: Update cper info
>> User-Agent: Mutt/1.5.21 (2010-09-15)
>>
>> On 2013/10/11 02:32AM, Chen Gong wrote:
>>> To satisfy the necessary of following patches and make related definition
>>> more clear, update some definitions about CPER. No functional changes.
>>>
>>> Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
>>> ---
>>> drivers/acpi/apei/apei-internal.h | 12 ++++-----
>>> drivers/acpi/apei/cper.c | 46 ++++++++++++++++-----------------
>>> drivers/acpi/apei/ghes.c | 54 +++++++++++++++++++--------------------
>>> include/acpi/actbl1.h | 14 +++++-----
>>> include/acpi/ghes.h | 2 +-
>>> 5 files changed, 64 insertions(+), 64 deletions(-)
>>>
>>> diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
>>> index f220d64..21ba34a 100644
>>> --- a/drivers/acpi/apei/apei-internal.h
>>> +++ b/drivers/acpi/apei/apei-internal.h
>>> @@ -122,11 +122,11 @@ struct dentry;
>>> struct dentry *apei_get_debugfs_dir(void);
>>>
>>> #define apei_estatus_for_each_section(estatus, section) \
>>> - for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
>>> + for (section = (struct acpi_generic_data *)(estatus + 1); \
>>
>> This is a good one to rename, though I wonder if acpi_generic_error_data
>> is more appropriate?
>>
>>> (void *)section - (void *)estatus < estatus->data_length; \
>>> section = (void *)(section+1) + section->error_data_length)
>>>
>>> -static inline u32 apei_estatus_len(struct acpi_hest_generic_status *estatus)
>>> +static inline u32 cper_estatus_len(struct acpi_generic_status *estatus)
>>
>> Not sure I understand the rationale for these changes - we are still
>> dealing with ACPI/APEI generic error status/data structures. So, why
>> the cper_ prefix?
>>
>
> Because CPER is not APEI specific, beside APEI, some others like eMCA
> needs this.

Right, but even the document you point to refers to these structures as
what they are: ACPI Generic error status/data. Clearly, CPER is an
incorrect prefix here since CPER/UEFI does *not* seem to have the same
structure format.


Regards,
Naveen



\
 
 \ /
  Last update: 2013-10-17 15:01    [W:0.083 / U:5.848 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site