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| | * cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Simple replacement, now the _nr is redundant. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Ingo Molnar <mingo@redhat.com>
| | * cpumask: convert mm/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Use new API Convert kernel mm functions to use struct cpumask. We skip include/linux/percpu.h and mm/allocpercpu.c, which are in flux. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
| | * cpumask: convert rest of files in kernel/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. Mainly changing cpumask_t to 'struct cpumask' and similar simple API conversion. Two conversions worth mentioning: 1) we use cpumask_any_but to avoid a temporary in kernel/softlockup.c, 2) Use cpumask_var_t in taskstats_user_cmd(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@redhat.com>
| | * cpumask: convert kernel/cpu.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce kernel stack and memory usage, use new cpumask API. Use cpumask_var_t for take_cpu_down() stack var, and frozen_cpus. Note that notify_cpu_starting() can be called before core_initcall allocates frozen_cpus, but the NULL check is optimized out by gcc for the CONFIG_CPUMASK_OFFSTACK=n case. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/profile.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce kernel memory usage, use new cpumask API. Avoid a static cpumask_t for prof_cpu_mask, and an on-stack cpumask_t in prof_cpu_mask_write_proc. Both become cpumask_var_t. prof_cpu_mask is only allocated when profiling is on, but the NULL checks are optimized out by gcc for the !CPUMASK_OFFSTACK case. Also removed some strange and unnecessary casts. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert RCU implementationsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: use new cpumask API. rcu_ctrlblk contains a cpumask, and it's highly optimized so I don't want a cpumask_var_t (ie. a pointer) for the CONFIG_CPUMASK_OFFSTACK case. It could use a dangling bitmap, and be allocated in __rcu_init to save memory, but for the moment we use a bitmap. (Eventually 'struct cpumask' will be undefined for CONFIG_CPUMASK_OFFSTACK, so we use a bitmap here to show we really mean it). We remove on-stack cpumasks, using cpumask_var_t for rcu_torture_shuffle_tasks() and for_each_cpu_and in force_quiescent_state(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/irqRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. ALPHA mod! Main change is that irq_default_affinity becomes a cpumask_var_t, so treat it as a pointer (this effects alpha). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel time functionsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Use new APIs Convert kernel/time functions to use struct cpumask *. Note the ugly bitmap declarations in tick-broadcast.c. These should be cpumask_var_t, but there was no obvious initialization function to put the alloc_cpumask_var() calls in. This was safe. (Eventually 'struct cpumask' will be undefined for CONFIG_CPUMASK_OFFSTACK, so we use a bitmap here to show we really mean it). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: convert kernel/workqueue.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce memory usage, use new cpumask API. cpu_populated_map becomes a cpumask_var_t, and cpu_singlethread_map is simply a cpumask pointer: it's simply the cpumask containing the first possible CPU anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/compat.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. Straightforward conversion; cpumasks' size is given by cpumask_size() (now a variable rather than fixed) and on-stack cpu masks use cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: remove any_online_cpu() users: mm/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Remove obsolete API usage any_online_cpu() is a good name, but it takes a cpumask_t, not a pointer. There are several places where any_online_cpu() doesn't really want a mask arg at all. Replace all callers with cpumask_any() and cpumask_any_and(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: remove any_online_cpu() users: kernel/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Remove obsolete API usage any_online_cpu() is a good name, but it takes a cpumask_t, not a pointer. There are several places where any_online_cpu() doesn't really want a mask arg at all. Replace all callers with cpumask_any() and cpumask_any_and(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: convert kernel trace functions furtherRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce future memory usage, use new cpumask API. Since the last patch was created and acked, more old cpumask users slipped into kernel/trace. Mostly trivial conversions, except struct trace_iterator's "started" member becomes a cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel trace functionsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce future memory usage, use new cpumask API. (Eventually, cpumask_var_t will be allocated based on nr_cpu_ids, not NR_CPUS). Convert kernel trace functions to use struct cpumask API: 1) Use cpumask_copy/cpumask_test_cpu/for_each_cpu. 2) Use cpumask_var_t and alloc_cpumask_var/free_cpumask_var everywhere. 3) Use on_each_cpu instead of playing with current->cpus_allowed. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Steven Rostedt <rostedt@goodmis.org>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): ia64Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): powerpcRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): s390Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): sparcRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Use find_last_bit()Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup There's one obvious place to use it: to find the highest possible cpu. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * bitmap: find_last_bit()Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Impact: New API As the name suggests. For the moment everyone uses the generic one. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * m68knommu: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * m68k: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * blackfin: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Mike Frysinger <vapier@gentoo.org>
| | * avr32: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * parisc: remove gratuitous cpu_online_map declaration.Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | This is defined in linux/cpumask.h (included in this file already), and this is now defined differently. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: linux-parisc@vger.kernel.org
| | * cpumask: Use accessors code in coreRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: use new API cpu_*_map are going away in favour of cpu_*_mask, but const pointers. So we have accessors where we really do want to frob them. Archs will also need the (trivial) conversion before we can finally remove cpu_*_map. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: coreRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup In future, all cpumask ops will only be valid (in general) for bit numbers < nr_cpu_ids. So use that instead of NR_CPUS in iterators and other comparisons. This is always safe: no cpu number can be >= nr_cpu_ids, and nr_cpu_ids is initialized to NR_CPUS at boot. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: James Morris <jmorris@namei.org> Cc: Eric Biederman <ebiederm@xmission.com>
| | * percpu: fix percpu accessors to potentially !cpu_possible() cpus: m32rRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: CPU iterator bugfixes Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Hirokazu Takata <takata@linux-m32r.org>
| | * percpu: fix percpu accessors to potentially !cpu_possible() cpus: pnpbiosRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: CPU iterator bugfixes Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Adam Belay <ambx1@neo.rr.com>
| | * cpumask: fix bogus kernel-docLi Zefan2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix kernel-doc alloc_bootmem_cpumask_var() returns avoid. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: Remove IA64 definition of total_cpus now it's in core codeRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Impact: fix IA64 compile Fortunately, they have exactly the same semantics. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * Merge branch 'master' of ↵Rusty Russell2008-12-31
| | |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: arch/x86/kernel/io_apic.c
| | * | cpumask: Use nr_cpu_ids in seq_cpumaskRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup, futureproof nr_cpu_ids is the (badly named) runtime limit on possible CPU numbers; ie. the variable version of NR_CPUS. With the new cpumask operators, only bits less than this are defined. So we should use it everywhere, rather than NR_CPUS. Eventually this will make it possible to allocate cpumasks of the minimal length at runtime. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu>
| | * | cpumask: use new cpumask API in drivers/infiniband/hw/ipathRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup We're moving from handing around cpumask_t's to handing around struct cpumask *'s. cpus_*, cpumask_t and cpu_*_map are deprecated: convert to cpumask_*, cpu_*_mask. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ralph Campbell <infinipath@qlogic.com>
| | * | cpumask: use new cpumask API in drivers/infiniband/hw/ehcaRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup We're moving from handing around cpumask_t's to handing around struct cpumask *'s. cpus_*, cpumask_t and cpu_*_map are deprecated: convert to cpumask_*, cpu_*_mask. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com> Tested-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com> Cc: Christoph Raisch <raisch@de.ibm.com>
| | * | cpumask: use for_each_online_cpu() in drivers/infiniband/hw/ehca/ehca_irq.cRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup In future, accessing cpu numbers beyond nr_cpu_ids (the runtime limit) will be undefined. We can avoid future problems by using for_each_online_cpu() here. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com> Tested-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com> Cc: Christoph Raisch <raisch@de.ibm.com>
| | * | cpumask: arch_send_call_function_ipi_mask: coreRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: new API to reduce stack usage We're weaning the core code off handing cpumask's around on-stack. This introduces arch_send_call_function_ipi_mask(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * | cpumask: smp_call_function_many()Rusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Implementation change to remove cpumask_t from stack. Actually change smp_call_function_mask() to smp_call_function_many(). We avoid cpumasks on the stack in this version. (S390 has its own version, but that's going away apparently). We have to do some dancing to figure out if 0 or 1 other cpus are in the mask supplied and the online mask without allocating a tmp cpumask. It's still fairly cheap. We allocate the cpumask at the end of the call_function_data structure: if allocation fails we fallback to smp_call_function_single rather than using the baroque quiescing code (which needs a cpumask on stack). (Thanks to Hiroshi Shimamoto for spotting several bugs in previous versions!) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Cc: npiggin@suse.de Cc: axboe@kernel.dk
| | * | cpumask: make set_cpu_*/init_cpu_* out-of-lineRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | They're only for use in boot/cpu hotplug code anyway, and this avoids the use of deprecated cpu_*_map. Stephen Rothwell points out that gcc 4.2.4 (on powerpc at least) didn't like the cast away of const anyway: include/linux/cpumask.h: In function 'set_cpu_possible': include/linux/cpumask.h:1052: warning: passing argument 2 of 'cpumask_set_cpu' discards qualifiers from pointer target type So this kills two birds with one stone. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * | cpumask: make cpumask.h eat its own dogfood.Rusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: 1) cpumask_t to struct cpumask, 2) cpus_weight_nr to cpumask_weight, 3) cpu_isset to cpumask_test_cpu, 4) ->bits to cpumask_bits() 5) cpu_*_map to cpu_*_mask. 6) for_each_cpu_mask_nr to for_each_cpu Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * | cpumask: switch over to cpu_online/possible/active/present_mask: coreRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup This implements the obsolescent cpu_online_map in terms of cpu_online_mask, rather than the other way around. Same for the other maps. The documentation comments are also updated to refer to _mask rather than _map. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * | bitmap: fix seq_bitmap and seq_cpumask to take const pointerRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup seq_bitmap just calls bitmap_scnprintf on the bits: that arg can be const. Similarly, seq_cpumask just calls seq_bitmap. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * | bitmap: test for constant as well as small size for inline versionsRusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: reduce text size bitmap_zero et al have a fastpath for nbits <= BITS_PER_LONG, but this should really only apply where the nbits is known at compile time. This only saves about 1200 bytes on an allyesconfig kernel, but with cpumasks going variable that number will increase. text data bss dec hex filename 35327852 5035607 6782976 47146435 2cf65c3 vmlinux-before 35326640 5035607 6782976 47145223 2cf6107 vmlinux-after Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * | cpumask: make CONFIG_NR_CPUS always valid.Rusty Russell2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Currently we have NR_CPUS, which is 1 on UP, and CONFIG_NR_CPUS on SMP. If we make CONFIG_NR_CPUS always valid (and always 1 on !SMP), we can skip the middleman. This also allows us to find and check all the unaudited NR_CPUS usage as we prepare for v. large NR_CPUS. To avoid breaking every arch, we cheat and do this for the moment in the header if the arch doesn't. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * | Merge branch 'master' of ↵Rusty Russell2008-12-29
| | |\ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
| | * | | cpumask: Replace cpu_coregroup_map with cpu_coregroup_maskRusty Russell2008-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cpu_coregroup_map returned a cpumask_t: it's going away. (Note, the sched part of this patch won't apply meaningfully to the sched tree, but I'm posting it to show the goal). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Ingo Molnar <mingo@redhat.com>
| | * | | cpumask: cpu_coregroup_mask(): s390Rusty Russell2008-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like cpu_coregroup_map, but returns a (const) pointer. Compile-tested on s390 (defconfig). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * | | cpumask: cpu_coregroup_mask(): sparcRusty Russell2008-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like cpu_coregroup_map, but returns a (const) pointer. Compile-tested on sparc64 (defconfig). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * | | cpumask: cpu_coregroup_mask(): x86Rusty Russell2008-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API Like cpu_coregroup_map, but returns a (const) pointer. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Ingo Molnar <mingo@redhat.com>
| | * | | cpumask: alpha: Introduce cpumask_of_{node,pcibus} to replace ↵Rusty Russell2008-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | {node,pcibus}_to_cpumask Impact: New APIs The old node_to_cpumask/node_to_pcibus returned a cpumask_t: these return a pointer to a struct cpumask. Part of removing cpumasks from the stack. I'm not sure the existing code even compiles, but new version is straightforward. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Richard Henderson <rth@twiddle.net>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 18:04:57 -0500