Re: [v3 PATCH 2/2] printk: Make linux/printk.h self-contained
On Wed 2020-06-17 17:17:21, Herbert Xu wrote: > As it stands if you include printk.h by itself it will fail to > compile because it requires definitions from ratelimit.h. However, > simply including ratelimit.h from printk.h does not work due to > inclusion loops involving sched.h and kernel.h. > > This patch solves this by moving bits from ratelimit.h into a new > header file which can then be included by printk.h without any > worries about header loops. > > The build bot then revealed some intriguing failures arising out > of this patch. On s390 there is an inclusion loop with asm/bug.h > and linux/kernel.h that triggers a compile failure, because kernel.h > will cause asm-generic/bug.h to be included before s390's own > asm/bug.h has finished processing. This has been fixed by not > including kernel.h in arch/s390/include/asm/bug.h. > > Signed-off-by: Herbert Xu > Reviewed-by: Andy Shevchenko > Reviewed-by: Sergey Senozhatsky > Acked-by: Petr Mladek > Acked-by: Steven Rostedt (VMware) JFYI, the patch has been committed into printk/linux.git, branch for-5.9. Best Regards, Petr
Re: [v3 PATCH 2/2] printk: Make linux/printk.h self-contained
On Wed, Jun 17, 2020 at 05:17:21PM +1000, Herbert Xu wrote: > As it stands if you include printk.h by itself it will fail to > compile because it requires definitions from ratelimit.h. However, > simply including ratelimit.h from printk.h does not work due to > inclusion loops involving sched.h and kernel.h. > > This patch solves this by moving bits from ratelimit.h into a new > header file which can then be included by printk.h without any > worries about header loops. > > The build bot then revealed some intriguing failures arising out > of this patch. On s390 there is an inclusion loop with asm/bug.h > and linux/kernel.h that triggers a compile failure, because kernel.h > will cause asm-generic/bug.h to be included before s390's own > asm/bug.h has finished processing. This has been fixed by not > including kernel.h in arch/s390/include/asm/bug.h. > > Signed-off-by: Herbert Xu > Reviewed-by: Andy Shevchenko > Reviewed-by: Sergey Senozhatsky > Acked-by: Petr Mladek > Acked-by: Steven Rostedt (VMware) > --- > > arch/s390/include/asm/bug.h |2 - FWIW, feel free to add Acked-by: Heiko Carstens for the s390 part.
