Re: [REGRESSION] Platforms supporting SGX fail to kexec due to 96c6b8f212a ("memblock: report failures when memblock_can_resize is not set")

[Linux regression tracking (Thorsten Leemhuis)]

On 31.12.23 08:26, Mike Rapoport wrote:
> On Thu, Dec 28, 2023 at 04:33:49PM -0800, Ashok Raj wrote:
>> 96c6b8f212a ("memblock: report failures when memblock_can_resize is not set")
>>
>> Causes kexec failure. Backing out this change, kexec succeeds. Symptom is
>> it appears to hang, possibly hung at the panic. Although I have the
>> earlyprintk enabled, I don't see any console messages when new kernel
>> boots. 
>>
>> Also tested turning off CONFIG_X86_SGX, the kernel with this commit
>> included also kexec's fine.
>>
>> Booting from warm/cold reset has no issues. Only kexec to new kernel with
>> this change included and CONFIG_X86_SGX=y causes the kexec failure.
> 
> Can you add memblock=debug to the kernel command line and send logs for
> normal boot and kexec with CONFIG_X86_SGX=y and e96c6b8f212a reverted?

Ashok, you afaics never replied. Did you forget about it? Or was the
issue resolved later or never a regression in the first place? I for now
assume it's one of the latter and stop tracking this:

#regzbot inconclusive: radio silence from reporter
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
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