The patch titled
i386: update smp_call_function* comments
has been added to the -mm tree. Its filename is
i386-update-smp_call_function-comments.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: i386: update smp_call_function* comments
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Update documentation for i386 smp_call_function* functions.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/i386/kernel/smp.c | 25 +++++++++++++++----------
1 files changed, 15 insertions(+), 10 deletions(-)
diff -puN arch/i386/kernel/smp.c~i386-update-smp_call_function-comments arch/i386/kernel/smp.c
--- a/arch/i386/kernel/smp.c~i386-update-smp_call_function-comments
+++ a/arch/i386/kernel/smp.c
@@ -547,8 +547,10 @@ static void __smp_call_function(void (*f
* @info: An arbitrary pointer to pass to the function.
* @wait: If true, wait (atomically) until function has completed on other CPUs.
*
- * Returns 0 on success, else a negative status code. Does not return until
- * remote CPUs are nearly ready to execute <<func>> or are or have finished.
+ * Returns 0 on success, else a negative status code.
+ *
+ * If @wait is true, then returns once @func has returned; otherwise
+ * it returns just before the target cpu calls @func.
*
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
@@ -610,11 +612,13 @@ int native_smp_call_function_mask(cpumas
* smp_call_function(): Run a function on all other CPUs.
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
- * @nonatomic: currently unused.
+ * @nonatomic: Unused.
* @wait: If true, wait (atomically) until function has completed on other CPUs.
*
- * Returns 0 on success, else a negative status code. Does not return until
- * remote CPUs are nearly ready to execute <<func>> or are or have executed.
+ * Returns 0 on success, else a negative status code.
+ *
+ * If @wait is true, then returns once @func has returned; otherwise
+ * it returns just before the target cpu calls @func.
*
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
@@ -626,17 +630,18 @@ int smp_call_function(void (*func) (void
}
EXPORT_SYMBOL(smp_call_function);
-/*
+/**
* smp_call_function_single - Run a function on another CPU
+ * @cpu: The target CPU. Cannot be the calling CPU.
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
- * @nonatomic: Currently unused.
+ * @nonatomic: Unused.
* @wait: If true, wait until function has completed on other CPUs.
*
- * Retrurns 0 on success, else a negative status code.
+ * Returns 0 on success, else a negative status code.
*
- * Does not return until the remote CPU is nearly ready to execute <func>
- * or is or has executed.
+ * If @wait is true, then returns once @func has returned; otherwise
+ * it returns just before the target cpu calls @func.
*/
int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
int nonatomic, int wait)
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
proper-fix-for-highmem-kmap_atomic-functions-for-vmi-for-2621.patch
revert-proper-fix-for-highmem-kmap_atomic-functions-for-vmi-for-2621.patch
revert-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch
account-for-module-percpu-space-separately-from-kernel.patch
paravirt_ops-update-maintainers.patch
paravirt_ops-remove-config_debug_paravirt.patch
paravirt_ops-use-paravirt_nop-to-consistently-mark-no-op-operations.patch
paravirt_ops-add-pagetable-accessors-to-pack-and-unpack-pagetable-entries.patch
paravirt_ops-hooks-to-set-up-initial-pagetable.patch
paravirt_ops-allocate-a-fixmap-slot.patch
paravirt_ops-allow-paravirt-backend-to-choose-kernel-pmd-sharing.patch
paravirt_ops-add-hooks-to-intercept-mm-creation-and-destruction.patch
paravirt_ops-rename-struct-paravirt_patch-to-paravirt_patch_site-for-clarity.patch
paravirt_ops-use-patch-site-ids-computed-from-offset-in-paravirt_ops-structure.patch
paravirt_ops-fix-patch-site-clobbers-to-include-return-register.patch
paravirt_ops-consistently-wrap-paravirt-ops-callsites-to-make-them-patchable.patch
paravirt_ops-document-asm-i386-paravirth.patch
paravirt_ops-clean-up-paravirt-patchable-wrappers.patch
paravirt_ops-add-common-patching-machinery.patch
paravirt_ops-add-flush_tlb_others-paravirt_op.patch
paravirt_ops-revert-map_pt_hook.patch
paravirt_ops-add-kmap_atomic_pte-for-mapping-highpte-pages.patch
add-apply_to_page_range-which-applies-a-function-to-a-pte-range.patch
re-enable-vdso-by-default-with-paravirt.patch
remove-noreplacement-option.patch
remove-smp_alt_instructions.patch
rename-the-parainstructions-symbols-to-be-consistent-with-the-others.patch
rename-the-parainstructions-symbols-to-be-consistent-with-the-others-fix.patch
allow-boot-time-disable-of-smp-altinstructions.patch
allow-boot-time-disable-of-paravirt_ops-patching.patch
i386-clean-up-asm-i386-bugsh.patch
x86_64-clean-up-asm-x86_64-bugsh.patch
x86-clean-up-identify_cpu.patch
x86-clean-up-identify_cpu-update.patch
i386-relocate-vdso-elf-headers-to-match-mapped-location-with-compat_vdso.patch
i386-make-compat_vdso-runtime-selectable.patch
i386-update-smp_call_function-comments.patch
maps2-uninline-some-functions-in-the-page-walker.patch
maps2-eliminate-the-pmd_walker-struct-in-the-page-walker.patch
maps2-remove-vma-from-args-in-the-page-walker.patch
maps2-propagate-errors-from-callback-in-page-walker.patch
maps2-add-callbacks-for-each-level-to-page-walker.patch
maps2-move-the-page-walker-code-to-lib.patch
maps2-move-the-page-walker-code-to-lib-fix.patch
maps2-simplify-interdependence-of-proc-pid-maps-and-smaps.patch
maps2-move-clear_refs-code-to-task_mmuc.patch
maps2-regroup-task_mmu-by-interface.patch
maps2-make-proc-pid-smaps-optional-under-config_embedded.patch
maps2-make-proc-pid-clear_refs-option-under-config_embedded.patch
maps2-add-proc-pid-pagemap-interface.patch
maps2-add-proc-kpagemap-interface.patch
fixes-and-cleanups-for-earlyprintk-aka-boot-console.patch
ignore-stolen-time-in-the-softlockup-watchdog.patch
add-touch_all_softlockup_watchdogs.patch
clean-up-elf-note-generation.patch
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