RE: [Question] Why should we check irq_fpu_usable before accessing using ASENI instructions.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



 
> Date: Fri, 18 Jul 2014 13:57:15 +0530
> Subject: [Question] Why should we check irq_fpu_usable before accessing using ASENI instructions.
> From: guru2018@xxxxxxxxx
> To: linux-x86_64@xxxxxxxxxxxxxxx
> 
> Hello,
> I am new to assembly language programming.
> In Kernel we check irq_fpu_usable before using any of AESNI related
> instruction.
> 1) why should we check the FPU is available for using AESNI instructions ?
> 2) Will AESNI intructions make use of FPU ?
> 
> I tried searching the answer in internet, no where i found the answer.
> Could please come one answer in this list.
> 
> Guru
> --
> To unsubscribe from this list: send the line "unsubscribe linux-x86_64" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html



resending due to kernel(s) html bounces..

 

anyways hopefully somebody can see this post and answer your questions!
  		 	   		  --
To unsubscribe from this list: send the line "unsubscribe linux-x86_64" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ia64]     [Linux Kernel]     [DCCP]     [Linux ARM]     [Yosemite News]     [Linux SCSI]     [Linux Hams]
  Powered by Linux