Re: [PATCH 5/5] Implement KeAreApcsDisabled using critical region functions.

[Thomas Faber]

On 2019-03-28 21:47, Derek Lesho wrote:
> @@ -3448,7 +3449,10 @@ void WINAPI ExReleaseResourceForThreadLite( PERESOURCE resource, ERESOURCE_THREA
>    */
>   void WINAPI KeEnterCriticalRegion(void)
>   {
> - FIXME(": stub\n");
> - PETHREAD thread = (PETHREAD) KeGetCurrentThread();
> -
> - /* FIXME: actually disable certain APCs */
> - thread->critical_region = TRUE;
> }

Critical regions can be nested, so you'd need a counter instead of a 
boolean.