# Re: \[PATCH v28 06/32\] x86/cet: Add control-protection fault handler

- From: Yu, Yu-cheng \<hidden\>
- Date: 2021-08-10 16:07:16 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2021/08/1473410
- Thread: https://ratatoskr.run/linux-doc/2021/07/1455208/t.md

```text
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/
```