Re: [RFC PATCH] arm64/fpsimd: Don't disable softirq when touching FPSIMD/SVE state

[Julien Grall]

Hi all,

On 08/02/2019 16:55, Julien Grall wrote:
@@ -1094,9 +1113,7 @@ void kernel_neon_begin(void)
        /* Invalidate any task state remaining in the fpsimd regs: */
        fpsimd_flush_cpu_state();
  
-	preempt_disable();
-
-       local_bh_enable();
+       kernel_neon_enable();

I found one error in the patch. We should not re-enable NEON from 
kernel_neon_begin(). I will resend a patch once the thread settle down.

Cheers,

--
Julien Grall