Re: [Qemu-ppc] [Qemu-devel] [V2 PATCH 10/12] linux-user: clock_nanosleep errno Handling on PPC

[David Gibson]

On Tue, Aug 12, 2014 at 01:53:41PM -0500, Tom Musta wrote:
> The clock_nanosleep syscall is unusual in that it returns positive
> numbers in error handling situations, versus returning -1 and setting
> errno, or returning a negative errno value.  On POWER, the kernel will
> set the SO bit of CR0 to indicate failure in a syscall.  QEMU has
> generic handling to do this for syscalls with standard return values.
> 
> Add special case code for clock_nanosleep to handle CR0 properly.
> 
> Signed-off-by: Tom Musta <address@hidden>
> Reviewed-by: Peter Maydell <address@hidden>

Reviewed-by: David Gibson <address@hidden>
-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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