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SubjectRe: [PATCH v5 2/3] GHES: add a notify chain for process memory section
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Hi Boris,

Thanks for your comments.

On 2018/2/7 18:31, Borislav Petkov wrote:
> On Fri, Jan 26, 2018 at 08:31:24PM +0800, Xie XiuQi wrote:
>> Add a notify chain for process memory section, with
>> which other modules might do error recovery.
>>
>> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
>> Tested-by: Wang Xiongfeng <wangxiongfeng2@huawei.com>
>> Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
>> ---
>> drivers/acpi/apei/ghes.c | 10 ++++++++++
>> include/acpi/ghes.h | 8 ++++++++
>> 2 files changed, 18 insertions(+)
>>
>> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
>> index cff671d..1f0ebfb 100644
>> --- a/drivers/acpi/apei/ghes.c
>> +++ b/drivers/acpi/apei/ghes.c
>> @@ -109,6 +109,9 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes)
>> static LIST_HEAD(ghes_hed);
>> static DEFINE_MUTEX(ghes_list_mutex);
>>
>> +ATOMIC_NOTIFIER_HEAD(ghes_mem_err_chain);
>> +EXPORT_SYMBOL(ghes_mem_err_chain);
>
> Definitely not EXPORT_SYMBOL.
>
> And certainly not export the notifier head. Have register and unregister
> functions instead.
>
> That is, *if* you can't solve it differently with James. Notifiers
> should be avoided if possible.
>

Yes, I saw the patchset, I agree. I will work with James to solve the problem.

--
Thanks,
Xie XiuQi

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