On Fri, 20 Dec 2024 17:26:38 +0800 Guo Weikang
wrote:
> Before SLUB initialization, various subsystems used memblock_alloc to
> allocate memory. In most cases, when memory allocation fails, an immediate
> panic is required. To simplify this behavior and reduce repetitive checks,
> introduce `mem
this together yesterday:
> https://git.kernel.org/pub/scm/linux/kernel/git/daveh/devel.git/log/?h=simplify-pae-20241220
It definitely needs some more work. I'm particularly still puzzling
about why SHARED_KERNEL_PMD is used both as a trigger for 32b vs.
PAGE_SIZE PAE pgd allocations _and
On 12/20/24 02:58, Kevin Brodsky wrote:
>> Acked-by: Dave Hansen
> Just to double-check, are your ack'ing the x86 changes specifically? If
> so I'll add your Acked-by on patch 6, 7 and 9.
Feel free to add it to each patch in the series.
On 2024/12/20 22:28, Kevin Brodsky wrote:
On 20/12/2024 15:16, Qi Zheng wrote:
Did I miss something?
My patch series is not only for cleanup, but also for fixes of
UAF issue [1], so is it possible to rebase your patch series onto
mine? I can post v3 ASAP.
I see, yours should be merged fir
On 20/12/2024 15:16, Qi Zheng wrote:
>>>
>>> Did I miss something?
>>>
>>> My patch series is not only for cleanup, but also for fixes of
>>> UAF issue [1], so is it possible to rebase your patch series onto
>>> mine? I can post v3 ASAP.
>>
>> I see, yours should be merged first then. The issue is
On 2024/12/20 21:50, Kevin Brodsky wrote:
On 20/12/2024 12:46, Qi Zheng wrote:
Hi Kevin,
On 2024/12/20 18:49, Kevin Brodsky wrote:
[...]
Qi, shall we collaborate to make our series complementary? I believe my
series covers patch 2 and 4 of your series, but it goes further by
covering all l
On 20/12/2024 12:46, Qi Zheng wrote:
> Hi Kevin,
>
> On 2024/12/20 18:49, Kevin Brodsky wrote:
>> [...]
>>
>> Qi, shall we collaborate to make our series complementary? I believe my
>> series covers patch 2 and 4 of your series, but it goes further by
>> covering all levels and all architectures, a
Hi Kevin,
On 2024/12/20 18:49, Kevin Brodsky wrote:
Hi Peter, Qi,
On 19/12/2024 18:19, Peter Zijlstra wrote:
On Thu, Dec 19, 2024 at 04:44:16PM +, Kevin Brodsky wrote:
Besides the ptlock management at PTE/PMD level, all the
pagetable_*_[cd]tor have the same implementation. Introduce commo
On 19/12/2024 18:13, Dave Hansen wrote:
> On 12/19/24 08:44, Kevin Brodsky wrote:
>>
>> +---+-+---+--++
>> | x86 | Y | Y | Y/N
>>
Hi Peter, Qi,
On 19/12/2024 18:19, Peter Zijlstra wrote:
> On Thu, Dec 19, 2024 at 04:44:16PM +, Kevin Brodsky wrote:
>> Besides the ptlock management at PTE/PMD level, all the
>> pagetable_*_[cd]tor have the same implementation. Introduce common
>> helpers for all levels to reduce the duplica
Before SLUB initialization, various subsystems used memblock_alloc to
allocate memory. In most cases, when memory allocation fails, an immediate
panic is required. To simplify this behavior and reduce repetitive checks,
introduce `memblock_alloc_or_panic`. This function ensures that memory
allocati
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