Re: [PATCH RFC V2 17/17] x86/entry: Preserve PKRS MSR across exceptions

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On Tue, Jul 21, 2020 at 11:01:34AM -0700, Ira Weiny wrote:
> On Fri, Jul 17, 2020 at 11:30:41AM +0200, Peter Zijlstra wrote:
> > On Fri, Jul 17, 2020 at 12:20:56AM -0700, ira.weiny@xxxxxxxxx wrote:
> > > +static void noinstr idt_save_pkrs(idtentry_state_t state)
> > 
> > noinstr goes in the same place you would normally put inline, that's
> > before the return type, not after it.
> >
> 
> Sorry about that.  But that does not look to be consistent.
> 
> 10:57:35 > git grep 'noinstr' arch/x86/entry/common.c
> ...
> arch/x86/entry/common.c:idtentry_state_t noinstr idtentry_enter(struct pt_regs *regs)
> arch/x86/entry/common.c:void noinstr idtentry_exit(struct pt_regs *regs, idtentry_state_t state)
> arch/x86/entry/common.c:void noinstr idtentry_enter_user(struct pt_regs *regs)
> arch/x86/entry/common.c:void noinstr idtentry_exit_user(struct pt_regs *regs)
> ...
> 
> Are the above 'wrong'?  Is it worth me sending a patch?

I think I already fixed all those, please check tip/master.



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