sorry for top post.
The excerpt from RT tree is not a bug - it was done on purpose it's just that ARC code in stable 3.12 doesn't work with it.
-Vineet
________________________________________
From: Vineet Gupta
Sent: Wednesday, June 25, 2014 7:28 PM
To: Jiri Slaby; stable@xxxxxxxxxxxxxxx
Cc: greg Kroah-Hartman; Kirill A. Shutemov; Steven Rostedt
Subject: Re: ARC backport for stable 3.12
On Wednesday 25 June 2014 07:24 PM, Jiri Slaby wrote:
> On 06/25/2014 03:35 PM, Vineet Gupta wrote:
>> On Wednesday 25 June 2014 07:01 PM, Jiri Slaby wrote:
>>> ....
>>> {
>>> pgtable_t pte_pg;
>>> + struct page *page;
>>>
>>> pte_pg = __get_free_pages(GFP_KERNEL | __GFP_REPEAT, __get_order_pte());
>>> if (pte_pg) {
>>> memzero((void *)pte_pg, PTRS_PER_PTE * 4);
>>> - pgtable_page_ctor(virt_to_page(pte_pg));
>>> + page = virt_to_page(pte_pg);
>>> + pgtable_page_ctor(page);
>>> And now, it does not fix anything, so this does not fulfill the stable
>>> rules. I cannot take it "as-is", sorry.
>> What do u mean ? It changes pgtable_page_ctor() arg to be a lvalue since RT kernel
>> has this. Current code fails to build, while fixed code builds//boots.
>>
>> +#define pgtable_page_ctor(page) \
>> +do { \
>> + page = __pgtable_page_ctor(page); \
>> +} while (0)
> But if this is an RT code, it is a bug and should be fixed, right? Or is
> this an excerpt from the stable tree?
This is excerpt from RT tree.
Thx,
-Vineet
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