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Subject: Re: [PATCH v28 06/32] x86/cet: Add control-protection fault handler
To:     Borislav Petkov <bp@alien8.de>
CC:     <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
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References: <20210722205219.7934-1-yu-cheng.yu@intel.com>
 <20210722205219.7934-7-yu-cheng.yu@intel.com> <YRFrECvCESC4Irlk@zn.tnic>
From:   "Yu, Yu-cheng" <yu-cheng.yu@intel.com>
Message-ID: <5fd82507-a67a-4420-d3f2-92a0a6cc355a@intel.com>
Date:   Tue, 10 Aug 2021 09:06:42 -0700
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On 8/9/2021 10:51 AM, Borislav Petkov wrote:
> On Thu, Jul 22, 2021 at 01:51:53PM -0700, Yu-cheng Yu wrote:
[...]
>> diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h
>> index 5a3c221f4c9d..a1a153ea3cc3 100644
>> --- a/include/uapi/asm-generic/siginfo.h
>> +++ b/include/uapi/asm-generic/siginfo.h
>> @@ -235,7 +235,8 @@ typedef struct siginfo {
>>   #define SEGV_ADIPERR	7	/* Precise MCD exception */
>>   #define SEGV_MTEAERR	8	/* Asynchronous ARM MTE error */
>>   #define SEGV_MTESERR	9	/* Synchronous ARM MTE exception */
>> -#define NSIGSEGV	9
>> +#define SEGV_CPERR	10	/* Control protection fault */
>> +#define NSIGSEGV	10
>>   
>>   /*
>>    * SIGBUS si_codes
>> -- 
> 
> Was there a manpage patch for the user-visible bits?
> 
> I seem to remember something flying by very vaguely ...
> 

Yes, man page patches:

https://lore.kernel.org/linux-man/20210226172634.26905-1-yu-cheng.yu@intel.com/