svn commit: r324789 - in head/sys: kern sys

[Ngie Cooper (yaneurabeya)]

> On Oct 19, 2017, at 21:02, Mateusz Guzik <mjg at FreeBSD.org> wrote:
> 
> Author: mjg
> Date: Fri Oct 20 04:02:53 2017
> New Revision: 324789
> URL: https://svnweb.freebsd.org/changeset/base/324789
> 
> Log:
>  Mark kdb_active as __read_frequently and switch to bool to eat less space.
> 
> Modified:
>  head/sys/kern/subr_kdb.c
>  head/sys/sys/kdb.h
> 
> Modified: head/sys/kern/subr_kdb.c
> ==============================================================================
> --- head/sys/kern/subr_kdb.c	Fri Oct 20 03:38:58 2017	(r324788)
> +++ head/sys/kern/subr_kdb.c	Fri Oct 20 04:02:53 2017	(r324789)
> @@ -50,7 +50,7 @@ __FBSDID("$FreeBSD$");
> #include <machine/smp.h>
> #endif
> 
> -int kdb_active = 0;
> +bool __read_frequently kdb_active = 0;
> static void *kdb_jmpbufp = NULL;
> struct kdb_dbbe *kdb_dbbe = NULL;
> static struct pcb kdb_pcb;
> 
> Modified: head/sys/sys/kdb.h
> ==============================================================================
> --- head/sys/sys/kdb.h	Fri Oct 20 03:38:58 2017	(r324788)
> +++ head/sys/sys/kdb.h	Fri Oct 20 04:02:53 2017	(r324789)
> @@ -59,7 +59,7 @@ struct kdb_dbbe {
> 	};						\
> 	DATA_SET(kdb_dbbe_set, name##_dbbe)
> 
> -extern int kdb_active;			/* Non-zero while in debugger. */
> +extern bool kdb_active;			/* Non-zero while in debugger. */
> extern int debugger_on_panic;		/* enter the debugger on panic. */
> extern struct kdb_dbbe *kdb_dbbe;	/* Default debugger backend or NULL. */
> extern struct trapframe *kdb_frame;	/* Frame to kdb_trap(). */

	This broke `kdb_active` use in `kdb_trap`. It’s noticed by gcc on riscv64: https://ci.freebsd.org/job/FreeBSD-head-riscv64-build/4356/console .
Please fix or revert.
Thanks,
-Ngie

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: Message signed with OpenPGP using GPGMail
URL: <http://lists.freebsd.org/pipermail/svn-src-head/attachments/20171022/63c697eb/attachment.sig>