commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=8e832bcb96698d8871f00a3534284bb87c07ee31 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2012R1
Signed-off-by: Steven Miao <[email protected]> --- arch/blackfin/include/asm/pda.h | 2 ++ arch/blackfin/mm/init.c | 2 ++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h index 28c2498..68d6f66 100644 --- a/arch/blackfin/include/asm/pda.h +++ b/arch/blackfin/include/asm/pda.h @@ -13,7 +13,9 @@ #ifndef __ASSEMBLY__ struct blackfin_pda { /* Per-processor Data Area */ +#ifdef CONFIG_SMP struct blackfin_pda *next; +#endif unsigned long syscfg; #ifdef CONFIG_SMP diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 3e29ddb..c092eeb 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -76,8 +76,10 @@ asmlinkage void __init init_pda(void) valid pointers to it. */ memset(&cpu_pda[cpu], 0, sizeof(cpu_pda[cpu])); +#ifdef CONFIG_SMP cpu_pda[0].next = &cpu_pda[1]; cpu_pda[1].next = &cpu_pda[0]; +#endif #ifdef CONFIG_EXCEPTION_L1_SCRATCH cpu_pda[cpu].ex_stack = (unsigned long *)(L1_SCRATCH_START + \
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