[PATCH] KVM: PPC: BOOK3S: book3s_hv_nested.c: improve branch prediction for k.alloc
    Bagas Sanjaya 
    bagasdotme at gmail.com
       
    Fri Apr  7 23:46:32 AEST 2023
    
    
  
On Fri, Apr 07, 2023 at 05:31:47AM -0400, Kautuk Consul wrote:
> I used the unlikely() macro on the return values of the k.alloc
> calls and found that it changes the code generation a bit.
> Optimize all return paths of k.alloc calls by improving
> branch prediction on return value of k.alloc.
What about below?
"Improve branch prediction on kmalloc() and kzalloc() call by using
unlikely() macro to optimize their return paths."
That is, try to avoid first-person construct (I).
Thanks.
-- 
An old man doll... just what I always wanted! - Clara
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