Re: linux-next: Tree for Aug 29

[Guenter Roeck]

On 09/01/2014 02:15 PM, Christoph Lameter wrote:
> On Mon, 1 Sep 2014, Guenter Roeck wrote:
>
> > arch/ia64/sn/kernel/setup.c: In function 'sn_cpu_init':
> > arch/ia64/sn/kernel/setup.c:632:13: error: lvalue required as left operand of assignment
> > make[1]: *** [arch/ia64/sn/kernel/setup.o] Error 1
> > make: *** [arch/ia64/sn/kernel/setup.o] Error 2
>
>
> Subject: ia64: sn_nodepda cannot be assigned to after this_cpu conversion. Use __this_cpu_write.
>
> There must be an explit statement to modify the percpu variable after the conversion of the
> sn_nodpda macro to use this_cpu_read.
>
> Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
FWIW: Compile-tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Too bad there is no ia64 support in qemu; this could use some "real" testing.

Guenter

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