Alex Bennée <alex.ben...@linaro.org> writes: > Markus Armbruster <arm...@redhat.com> writes: > >> Markus Armbruster <arm...@redhat.com> writes: >> >>> Alex Bennée <alex.ben...@linaro.org> writes: >>> >>>> Markus Armbruster <arm...@redhat.com> writes: >>>> >>>>> While there, drop the obsolete file comment. >>>>> >>>>> Signed-off-by: Markus Armbruster <arm...@redhat.com> >>>>> Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> >>>>> Tested-by: Philippe Mathieu-Daudé <phi...@redhat.com> >>>>> --- >>>>> include/qemu/typedefs.h | 12 ++++++++---- >>>>> 1 file changed, 8 insertions(+), 4 deletions(-) >>>>> >>>>> diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h >>>>> index fcdaae58c4..29346648d4 100644 >>>>> --- a/include/qemu/typedefs.h >>>>> +++ b/include/qemu/typedefs.h >>>>> @@ -1,10 +1,10 @@ >>>>> #ifndef QEMU_TYPEDEFS_H >>>>> #define QEMU_TYPEDEFS_H >>>>> >>>>> -/* A load of opaque types so that device init declarations don't have to >>>>> - pull in all the real definitions. */ >>>>> - >>>>> -/* Please keep this list in case-insensitive alphabetical order */ >>>>> +/* >>>>> + * Incomplete struct types >>>> >>>> Maybe expand this a little... >>>> >>>> "Incomplete struct types for modules that don't need the complete >>>> definitions but still pass around typed variables."? >>> >>> If we explain proper use of qemu/typedefs.h in HACKING, as discussed in >>> review of v1[*], we could point there. >> >> Perhaps rewriting the obsolete file comment would be better. Something >> like this: >> >> /* >> * This header is for selectively avoiding #include just to get a >> * typedef name. >> * >> * Declaring a typedef name in its "obvious" place can result in >> * inclusion cycles, in particular for complete struct and union >> * types that need more types for their members. It can also result >> * in headers pulling in many more headers, slowing down builds. >> * >> * You can break such cycles and unwanted dependencies by declaring >> * the typedef name here. >> * >> * For struct types used in only a few headers, judicious use of the >> * struct tag instead of the typedef name is commonly preferable. >> */ >> >> /* >> * Incomplete struct types >> * Please keep this list in case-insensitive alphabetical order. >> */ >> typedef struct AdapterInfo AdapterInfo; >> [...] >> >> /* >> * Pointer types >> * Such typedefs should be limited to cases where the typedef's users >> * are oblivious of its "pointer-ness". >> * Please keep this list in case-insensitive alphabetical order. >> */ >> typedef struct IRQState *qemu_irq; >> >> /* >> * Function types >> */ >> typedef void SaveStateHandler(QEMUFile *f, void *opaque); >> typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); >> typedef void (*qemu_irq_handler)(void *opaque, int n, int level); >> >> What do you think? > > A definite improvement on what is currently there ;-)
Amending my commit. Thanks!