Commit-ID: 101aaca1f32d9923331ddc63a7a72b3a7f934c02 Gitweb: http://git.kernel.org/tip/101aaca1f32d9923331ddc63a7a72b3a7f934c02 Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx> AuthorDate: Fri, 13 Mar 2009 14:49:47 +1030 Commit: Rusty Russell <rusty@xxxxxxxxxxxxxxx> CommitDate: Fri, 13 Mar 2009 14:49:47 +1030 cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL.: x86 Impact: cleanup (Thanks to Al Viro for reminding me of this, via Ingo) CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, defined as so: #define CPU_MASK_ALL (cpumask_t) { { ... } } Taking the address of such a temporary is questionable at best, unfortunately 321a8e9d (cpumask: add CPU_MASK_ALL_PTR macro) added CPU_MASK_ALL_PTR: #define CPU_MASK_ALL_PTR (&CPU_MASK_ALL) Which formalizes this practice. One day gcc could bite us over this usage (though we seem to have gotten away with it so far). So replace everywhere which used &CPU_MASK_ALL or CPU_MASK_ALL_PTR with the modern "cpu_all_mask" (a real const struct cpumask *), and remove CPU_MASK_ALL_PTR altogether. Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Acked-by: Ingo Molnar <mingo@xxxxxxx> Reported-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Mike Travis <travis@xxxxxxx> --- arch/x86/kernel/apic/es7000_32.c | 2 +- arch/x86/kernel/apic/numaq_32.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c index 19588f2..1322f54 100644 --- a/arch/x86/kernel/apic/es7000_32.c +++ b/arch/x86/kernel/apic/es7000_32.c @@ -457,7 +457,7 @@ static int es7000_apic_id_registered(void) static const cpumask_t *target_cpus_cluster(void) { - return &CPU_MASK_ALL; + return cpu_all_mask; } static const cpumask_t *es7000_target_cpus(void) diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c index ba2fc64..e4ce98a 100644 --- a/arch/x86/kernel/apic/numaq_32.c +++ b/arch/x86/kernel/apic/numaq_32.c @@ -336,7 +336,7 @@ static inline void numaq_smp_callin_clear_local_apic(void) static inline const cpumask_t *numaq_target_cpus(void) { - return &CPU_MASK_ALL; + return cpu_all_mask; } static inline unsigned long -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html