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SubjectRe: [PATCH v5 1/2] lib: stackdepot: Add support to configure STACK_HASH_SIZE
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On 1/18/21 1:56 AM, vjitta@codeaurora.org wrote:
> From: Yogesh Lal <ylal@codeaurora.org>
>
> Use CONFIG_STACK_HASH_ORDER to configure STACK_HASH_SIZE.
>
> Aim is to have configurable value for STACK_HASH_SIZE,
> so depend on use case one can configure it.
>
> One example is of Page Owner, default value of
> STACK_HASH_SIZE lead stack depot to consume 8MB of static memory.
> Making it configurable and use lower value helps to enable features like
> CONFIG_PAGE_OWNER without any significant overhead.
>
> Signed-off-by: Yogesh Lal <ylal@codeaurora.org>
> Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
> Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>

Hi,

Did you see
https://lore.kernel.org/lkml/202101050729.cwTd47Yw-lkp@intel.com/

It seems that arch/arc/ does not have:
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
(.text+0x6): undefined reference to `__irqentry_text_start'
>> arc-elf-ld: (.text+0x6): undefined reference to `__irqentry_text_start'
>> arc-elf-ld: (.text+0x26): undefined reference to `__irqentry_text_end'
>> arc-elf-ld: (.text+0x26): undefined reference to `__irqentry_text_end'
>> arc-elf-ld: (.text+0x34): undefined reference to `__softirqentry_text_start'
>> arc-elf-ld: (.text+0x34): undefined reference to `__softirqentry_text_start'
>> arc-elf-ld: (.text+0x3c): undefined reference to `__softirqentry_text_end'
>> arc-elf-ld: (.text+0x3c): undefined reference to `__softirqentry_text_end'




--
~Randy
You can't do anything without having to do something else first.
-- Belefant's Law

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