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Date:      Mon, 04 Jun 2012 22:40:49 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org
Subject:   Re: svn commit: r236503 - in head/sys: amd64/amd64 i386/i386 kern x86/x86
Message-ID:  <4FCD0F41.4030709@FreeBSD.org>
In-Reply-To: <201206030801.q5381D7Y043823@svn.freebsd.org>
References:  <201206030801.q5381D7Y043823@svn.freebsd.org>

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on 03/06/2012 11:01 Andriy Gapon said the following:
> Author: avg
> Date: Sun Jun  3 08:01:12 2012
> New Revision: 236503
> URL: http://svn.freebsd.org/changeset/base/236503
> 
> Log:
>   free wdog_kern_pat calls in post-panic paths from under SW_WATCHDOG
>   
>   Those calls are useful with hardware watchdog drivers too.

Failed to mention:
  Reviewed by:	attilio

>   MFC after:	3 weeks
> 
> Modified:
>   head/sys/amd64/amd64/minidump_machdep.c
>   head/sys/i386/i386/minidump_machdep.c
>   head/sys/kern/kern_shutdown.c
>   head/sys/kern/vfs_subr.c
>   head/sys/x86/x86/dump_machdep.c
> 
> Modified: head/sys/amd64/amd64/minidump_machdep.c
> ==============================================================================
> --- head/sys/amd64/amd64/minidump_machdep.c	Sun Jun  3 07:45:42 2012	(r236502)
> +++ head/sys/amd64/amd64/minidump_machdep.c	Sun Jun  3 08:01:12 2012	(r236503)
> @@ -37,9 +37,7 @@ __FBSDID("$FreeBSD$");
>  #include <sys/kernel.h>
>  #include <sys/kerneldump.h>
>  #include <sys/msgbuf.h>
> -#ifdef SW_WATCHDOG
>  #include <sys/watchdog.h>
> -#endif
>  #include <vm/vm.h>
>  #include <vm/vm_page.h>
>  #include <vm/pmap.h>
> @@ -177,9 +175,9 @@ blk_write(struct dumperinfo *di, char *p
>  			report_progress(progress, dumpsize);
>  			counter &= (1<<24) - 1;
>  		}
> -#ifdef SW_WATCHDOG
> +
>  		wdog_kern_pat(WD_LASTVAL);
> -#endif
> +
>  		if (ptr) {
>  			error = dump_write(di, ptr, 0, dumplo, len);
>  			if (error)
> 
> Modified: head/sys/i386/i386/minidump_machdep.c
> ==============================================================================
> --- head/sys/i386/i386/minidump_machdep.c	Sun Jun  3 07:45:42 2012	(r236502)
> +++ head/sys/i386/i386/minidump_machdep.c	Sun Jun  3 08:01:12 2012	(r236503)
> @@ -36,9 +36,7 @@ __FBSDID("$FreeBSD$");
>  #include <sys/kernel.h>
>  #include <sys/kerneldump.h>
>  #include <sys/msgbuf.h>
> -#ifdef SW_WATCHDOG
>  #include <sys/watchdog.h>
> -#endif
>  #include <vm/vm.h>
>  #include <vm/pmap.h>
>  #include <machine/atomic.h>
> @@ -143,9 +141,9 @@ blk_write(struct dumperinfo *di, char *p
>  			printf(" %lld", PG2MB(progress >> PAGE_SHIFT));
>  			counter &= (1<<24) - 1;
>  		}
> -#ifdef SW_WATCHDOG
> +
>  		wdog_kern_pat(WD_LASTVAL);
> -#endif
> +
>  		if (ptr) {
>  			error = dump_write(di, ptr, 0, dumplo, len);
>  			if (error)
> 
> Modified: head/sys/kern/kern_shutdown.c
> ==============================================================================
> --- head/sys/kern/kern_shutdown.c	Sun Jun  3 07:45:42 2012	(r236502)
> +++ head/sys/kern/kern_shutdown.c	Sun Jun  3 08:01:12 2012	(r236503)
> @@ -66,9 +66,7 @@ __FBSDID("$FreeBSD$");
>  #include <sys/sysctl.h>
>  #include <sys/sysproto.h>
>  #include <sys/vnode.h>
> -#ifdef SW_WATCHDOG
>  #include <sys/watchdog.h>
> -#endif
>  
>  #include <ddb/ddb.h>
>  
> @@ -334,9 +332,7 @@ kern_reboot(int howto)
>  
>  		waittime = 0;
>  
> -#ifdef SW_WATCHDOG
>  		wdog_kern_pat(WD_LASTVAL);
> -#endif
>  		sys_sync(curthread, NULL);
>  
>  		/*
> @@ -362,9 +358,8 @@ kern_reboot(int howto)
>  			if (nbusy < pbusy)
>  				iter = 0;
>  			pbusy = nbusy;
> -#ifdef SW_WATCHDOG
> +
>  			wdog_kern_pat(WD_LASTVAL);
> -#endif
>  			sys_sync(curthread, NULL);
>  
>  #ifdef PREEMPTION
> 
> Modified: head/sys/kern/vfs_subr.c
> ==============================================================================
> --- head/sys/kern/vfs_subr.c	Sun Jun  3 07:45:42 2012	(r236502)
> +++ head/sys/kern/vfs_subr.c	Sun Jun  3 08:01:12 2012	(r236503)
> @@ -73,9 +73,7 @@ __FBSDID("$FreeBSD$");
>  #include <sys/syslog.h>
>  #include <sys/vmmeter.h>
>  #include <sys/vnode.h>
> -#ifdef SW_WATCHDOG
>  #include <sys/watchdog.h>
> -#endif
>  
>  #include <machine/stdarg.h>
>  
> @@ -1869,10 +1867,10 @@ sched_sync(void)
>  				LIST_INSERT_HEAD(next, bo, bo_synclist);
>  				continue;
>  			}
> -#ifdef SW_WATCHDOG
> +
>  			if (first_printf == 0)
>  				wdog_kern_pat(WD_LASTVAL);
> -#endif
> +
>  		}
>  		if (!LIST_EMPTY(gslp)) {
>  			mtx_unlock(&sync_mtx);
> 
> Modified: head/sys/x86/x86/dump_machdep.c
> ==============================================================================
> --- head/sys/x86/x86/dump_machdep.c	Sun Jun  3 07:45:42 2012	(r236502)
> +++ head/sys/x86/x86/dump_machdep.c	Sun Jun  3 08:01:12 2012	(r236503)
> @@ -36,9 +36,7 @@ __FBSDID("$FreeBSD$");
>  #include <sys/sysctl.h>
>  #include <sys/kernel.h>
>  #include <sys/kerneldump.h>
> -#ifdef SW_WATCHDOG
>  #include <sys/watchdog.h>
> -#endif
>  #include <vm/vm.h>
>  #include <vm/pmap.h>
>  #include <machine/elf.h>
> @@ -198,9 +196,9 @@ cb_dumpdata(struct md_pa *mdp, int seqnr
>  			a = pa + i * PAGE_SIZE;
>  			va = pmap_kenter_temporary(trunc_page(a), i);
>  		}
> -#ifdef SW_WATCHDOG
> +
>  		wdog_kern_pat(WD_LASTVAL);
> -#endif
> +
>  		error = dump_write(di, va, 0, dumplo, sz);
>  		if (error)
>  			break;


-- 
Andriy Gapon



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