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Message-ID: <alpine.DEB.2.11.1409011615210.22966@gentwo.org> Date: Mon, 1 Sep 2014 16:15:52 -0500 (CDT) From: Christoph Lameter <cl@...ux.com> To: Guenter Roeck <linux@...ck-us.net> cc: Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org> Subject: Re: linux-next: Tree for Aug 29 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@...ux.com> Index: linux/arch/ia64/sn/kernel/setup.c =================================================================== --- linux.orig/arch/ia64/sn/kernel/setup.c +++ linux/arch/ia64/sn/kernel/setup.c @@ -629,7 +629,7 @@ void sn_cpu_init(void) cnode = nasid_to_cnodeid(nasid); - sn_nodepda = nodepdaindr[cnode]; + __this_cpu_write(__sn_nodepda, nodepdaindr[cnode]); pda->led_address = (typeof(pda->led_address)) (LED0 + (slice << LED_CPU_SHIFT)); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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