linux-kernel - Re: [PATCH v3 1/8] arm64/sysreg: Add definitions for immediate versions of MSR ALLINT

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Message-ID: <41702bd8-2a1f-90dd-d90e-fb5cba2fffa7@huawei.com>
Date: Fri, 14 Jun 2024 12:00:32 +0800
From: "Liao, Chang" <liaochang1@...wei.com>
To: Mark Brown <broonie@...nel.org>
CC: Mark Rutland <mark.rutland@....com>, <catalin.marinas@....com>,
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Subject: Re: [PATCH v3 1/8] arm64/sysreg: Add definitions for immediate
 versions of MSR ALLINT

Hi, Mark

在 2024/6/5 17:52, Liao, Chang 写道:
> Hi, Mark
> 
> 在 2024/6/4 21:29, Mark Brown 写道:
>> On Mon, Jun 03, 2024 at 11:26:39AM +0800, Liao, Chang wrote:
>>
>>> Mark, Is your concern is that the series of pstate related macro name in
>>> sysregs.h are lack of self-explanatory nature, which make it diffuclt to
>>> understand their functionality and purpose? If so, I daft some alternative
>>> macro names in the code below, looking forward to your feedback, or if you
>>> have any proposal for making these helpers discoverable.
>>
>> ...
>>
>>> -#define SET_PSTATE(x, r)               __emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift))
>>> +#define MSR_PSTATE_ENCODE(x, r)                __emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift))
>>
>> Possibly, yes?  TBH I was thinking of a comment but that does have "MSR"
>> in it so might come up in greps.  Not sure what others would prefer.
> 
> I am going to push revision v4 of the interrupt masking patchset, this revision
> involves several improvements based on feedback and further testing:
> 

Kindly ping, the new revsion is available at the link:

https://lore.kernel.org/all/20240614034433.602622-1-liaochang1@huawei.com/

-- 
BR
Liao, Chang