Re: [PATCH 2/3] arm: introduce IRQ stacks
From: Arnd Bergmann <arnd@kernel.org>
Date: 2020-10-21 12:55:49
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From: Arnd Bergmann <arnd@kernel.org>
Date: 2020-10-21 12:55:49
Also in:
lkml
On Wed, Oct 21, 2020 at 2:45 PM Russell King - ARM Linux admin [off-list ref] wrote:
On Wed, Oct 21, 2020 at 02:42:48PM +0200, Arnd Bergmann wrote:quoted
quoted
- define 'current' as 'this_cpu_read_stable(current_task);' - convert to CONFIG_THREAD_INFO_IN_TASKThat means we need to also code that up in assembly - remember, we need to access thread_info from assembly code.
Are there any obvious places that need patching aside from
.macro get_thread_info? I did expect the above conversion to
be somewhat more complicated than Maninder's original patch,
but that part seems easy enough.
Arnd
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