Re: [PATCH] arm64: remove redundant preempt.h

[Will Deacon]

On Fri, Feb 19, 2016 at 04:07:02PM -0800, Shi, Yang wrote:
> Any comment on this one?

I don't really see the point in it, to be honest. Relying on implicit
#includes is usually a bad idea, there are other files in the kernel
including both of these headers and there's not actually a problem to
fix as far as I can tell.

Will

> On 2/12/2016 9:56 AM, Yang Shi wrote:
> >preempt.h has been included by sched.h, so it is not necessary to include
> >both, just keep sched.h.
> >
> >Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>
> >---
> >Happened to find this when checking preempt.h include for another patch review.
> >Build test is passed with and without CONFIG_PREEMPT enabled.
> >
> >  arch/arm64/kernel/cpuinfo.c | 1 -
> >  1 file changed, 1 deletion(-)
> >
> >diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
> >index 212ae63..e2b37ff 100644
> >--- a/arch/arm64/kernel/cpuinfo.c
> >+++ b/arch/arm64/kernel/cpuinfo.c
> >@@ -25,7 +25,6 @@
> >  #include <linux/init.h>
> >  #include <linux/kernel.h>
> >  #include <linux/personality.h>
> >-#include <linux/preempt.h>
> >  #include <linux/printk.h>
> >  #include <linux/seq_file.h>
> >  #include <linux/sched.h>
> >
>