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[LV-commit] CVS: kernel-2.5/drivers/video bwtwofb.c,1.1.1.3,NONE cgfourteenfb.c,1.1.1.4,NONE cgsixfb.c,1.1.1.4,NONE cgthreefb.c,1.1.1.4,NONE creatorfb.c,1.1.1.4,NONE p9100.h,1.1.1.1,NONE p9100fb.c,1.1.1.2,NONE sbusfb.c,1.1.1.8,NONE tcxfb.c,1.1.1.3,NONE

From: Kenn H. <ke...@us...> - 2003-08-23 14:00:16

Update of /cvsroot/linux-vax/kernel-2.5/drivers/video
In directory sc8-pr-cvs1:/tmp/cvs-serv14239/drivers/video

Removed Files:
	bwtwofb.c cgfourteenfb.c cgsixfb.c cgthreefb.c creatorfb.c 
	p9100.h p9100fb.c sbusfb.c tcxfb.c 
Log Message:
Merge with 2.5.64


--- bwtwofb.c DELETED ---

--- cgfourteenfb.c DELETED ---

--- cgsixfb.c DELETED ---

--- cgthreefb.c DELETED ---

--- creatorfb.c DELETED ---

--- p9100.h DELETED ---

--- p9100fb.c DELETED ---

--- sbusfb.c DELETED ---

--- tcxfb.c DELETED ---

[LV-commit] CVS: kernel-2.5/drivers/hotplug cpqphp_proc.c,1.1.1.6,NONE

From: Kenn H. <ke...@us...> - 2003-08-23 14:00:15

Update of /cvsroot/linux-vax/kernel-2.5/drivers/hotplug
In directory sc8-pr-cvs1:/tmp/cvs-serv14239/drivers/hotplug

Removed Files:
	cpqphp_proc.c 
Log Message:
Merge with 2.5.64


--- cpqphp_proc.c DELETED ---

[LV-commit] CVS: kernel-2.5/include/video sbusfb.h,1.1.1.3,NONE

From: Kenn H. <ke...@us...> - 2003-08-23 13:51:49

Update of /cvsroot/linux-vax/kernel-2.5/include/video
In directory sc8-pr-cvs1:/tmp/cvs-serv14239/include/video

Removed Files:
	sbusfb.h 
Log Message:
Merge with 2.5.64


--- sbusfb.h DELETED ---

[LV-commit] CVS: kernel-2.5/include/asm-s390 fsf.h,1.1.1.1,NONE

From: Kenn H. <ke...@us...> - 2003-08-23 06:25:58

Update of /cvsroot/linux-vax/kernel-2.5/include/asm-s390
In directory sc8-pr-cvs1:/tmp/cvs-serv15164/include/asm-s390

Removed Files:
	fsf.h 
Log Message:
Merge with 2.5.63


--- fsf.h DELETED ---

[LV-commit] CVS: kernel-2.5/lib radix-tree.c,1.1.1.13,1.2

From: Kenn H. <ke...@us...> - 2003-08-23 04:02:32

Update of /cvsroot/linux-vax/kernel-2.5/lib
In directory sc8-pr-cvs1:/tmp/cvs-serv2835/lib

Modified Files:
	radix-tree.c 
Log Message:
Workaround a bug in our compiler


Index: radix-tree.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/lib/radix-tree.c,v
retrieving revision 1.1.1.13
retrieving revision 1.2
diff -u -r1.1.1.13 -r1.2
--- radix-tree.c	19 Aug 2003 12:39:16 -0000	1.1.1.13
+++ radix-tree.c	19 Aug 2003 19:30:15 -0000	1.2
@@ -401,10 +401,16 @@
 static __init unsigned long __maxindex(unsigned int height)
 {
 	unsigned int tmp = height * RADIX_TREE_MAP_SHIFT;
-	unsigned long index = (~0UL >> (RADIX_TREE_INDEX_BITS - tmp - 1)) >> 1;
+	unsigned long index;
 
-	if (tmp >= RADIX_TREE_INDEX_BITS)
+	/* This is different from the stock kernel, since our GCC emits 
+	   code which throws a reserved operand fault when height == 6.
+	   FIXME: we need to fix our compiler :-( */
+	if (tmp >= RADIX_TREE_INDEX_BITS) {
 		index = ~0UL;
+	} else {
+		index = (~0UL >> (RADIX_TREE_INDEX_BITS - tmp - 1)) >> 1;
+	}
 	return index;
 }

[LV-commit] CVS: kernel-2.5/arch/vax/kernel entry.S,1.11,1.12 process.c,1.17,1.18 syscall.c,1.6,1.7

From: Kenn H. <ke...@us...> - 2003-08-23 00:20:50

Update of /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel
In directory sc8-pr-cvs1:/tmp/cvs-serv13334/arch/vax/kernel

Modified Files:
	entry.S process.c syscall.c 
Log Message:
Scheduler changes in 2.5.63 mean that we need to return the 'prev'
pointer properly after context switching.  We also need a separate
path for newly-created processes (ret_from_fork, rather than 
ret_from_syscall, and we've probably needed this for a long time).

Also NR_syscalls disappears in 2.5.63


Index: entry.S
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel/entry.S,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- entry.S	26 Jun 2003 23:27:41 -0000	1.11
+++ entry.S	23 Aug 2003 00:20:46 -0000	1.12
@@ -193,6 +193,15 @@
 	mtpr $31, $PR_IPL
 	rei
 
+.globl ret_from_fork
+ret_from_fork:
+	/* A newly-created thread starts here when it is first
+	   scheduled.  R0 will contain the previous task (the one
+	   that we just scheduled away from on this CPU). */
+	pushl %r0
+	calls $1, schedule_tail
+	brb ret_from_syscall
+
 /* irqvec_stray is the generic handler for all exceptions and interrupts
    for which there is no registered handler.  We just save all registers,
    and call unhandled_exception(), passing it the return address saved
@@ -253,6 +262,8 @@
 .data
 .globl sys_call_table
 sys_call_table:
+.globl first_syscall
+first_syscall:
 	.long sys_ni_syscall	/* 0  -  old "setup()" system call*/
 	.long sys_exit
 	.long sys_fork
@@ -476,14 +487,5 @@
 	.long sys_getdents64       /* 220 */
 	.long sys_fcntl64  
 	.long sys_tkill
-	/*
-	
-         * NOTE!! This doesn't have to be exact - we just have
-         * to make sure we have _enough_ of the "sys_ni_syscall"
-         * entries. Don't panic if you notice that this hasn't
-         * been shrunk every time we add a new system call.
-         */
-        .rept NR_syscalls-221
-                .long sys_ni_syscall
-        .endr
-
+.globl last_syscall
+last_syscall:

Index: process.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel/process.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -r1.17 -r1.18
--- process.c	26 Jun 2003 22:15:06 -0000	1.17
+++ process.c	23 Aug 2003 00:20:47 -0000	1.18
@@ -46,13 +46,13 @@
 	/* nothing */
 }
 
-void __switch_to(struct task_struct* prev, struct task_struct* next)
+struct task_struct *__switch_to(struct task_struct* prev, struct task_struct* next)
 {
         unsigned long pcbb; 	/* physical address of new pcb */
 
 #ifdef VAX_PROCESS_DEBUG
-	printk("vax_switch_to: switching %p, pid %d, state %ld -> %p, pid %d, state %ld\n",
-		prev, prev->pid, prev->state, next, next->pid, next->state);
+	printk("vax_switch_to: switching %p, pid %d, state %ld -> %p, pid %d, state %ld, pc %08lx\n",
+		prev, prev->pid, prev->state, next, next->pid, next->state, next->thread.pcb.pc);
 #endif
    
    	/* We should check that __pa((prev)->thread.pcb) == PR_PCBB */
@@ -60,22 +60,34 @@
    	/* Get phys address of next process pcb */
 	pcbb = virt_to_phys(&next->thread.pcb);    
    
+	/* When 'next' starts running, R0 will hold the task pointer
+	   for the process we just switched away from.  This will end
+	   up in R0 at ret_from_fork, for new processes and will be
+	   the return value from this function for existing processes */
+	next->thread.pcb.r0 = (unsigned long) prev;
+
         /* svpctx should deal with writing the stuff into *prev */
         
-	asm("   movpsl -(%%sp)	\n
-		pushab 1f	\n
-		mtpr %3, %4	\n
-		svpctx          \n
-		mtpr %1, %2	\n
-		ldpctx          \n
-		rei		\n
-	     1:			"
+	asm("   movpsl -(%%sp)
+		pushab 1f
+		mtpr %2, %3	/* Raise IPL to 31 */	
+		svpctx          /* Causes switch to interrupt stack */
+		mtpr %0, %1	/* Load pcbb into PR_PCCB */
+		ldpctx		/* Loads registers and switches back to
+				   kernel stack.  Also leaves PC/PSL of
+				   new process on kernel stack for an
+				   immediate REI */
+		rei
+	     1:				
+		ret             /* return now before anything munges R0 */ "
                 : /* no outputs */
-                : "g"(prev),
-		  "r"(pcbb), "g"(PR_PCBB),
+		: "r"(pcbb), "g"(PR_PCBB),
 		  "g"(31), "g"(PR_IPL)
 		/* no clobbers */
 	    );
+
+	/* Never get to here because of the RET instruction above */
+	return NULL;
 }
 
 /* This _must_ match the stack layout in effect at ret_from_syscall
@@ -99,7 +111,7 @@
 };
 
 /* Defined in entry.S */
-extern void ret_from_syscall(void);
+extern void ret_from_fork(void);
 
 int copy_thread(int unused1, unsigned long clone_flags, unsigned long usp, 
 		unsigned long unused2,
@@ -129,9 +141,16 @@
 
    p->thread.pcb.ksp = (unsigned long)child_stack;
    p->thread.pcb.usp = usp;
-   p->thread.pcb.pc = (unsigned long)ret_from_syscall;
+   p->thread.pcb.pc = (unsigned long)ret_from_fork;
    p->thread.pcb.psl = __psl;
-   
+
+   /* New thread must start with IPL 31 to prevent any interrupts
+      from occuring between the time it is first scheduled (in __switch_to
+      above) and when ret_from_fork calls schedule_tail().  If an 
+      interrupt comes in during this time, schedule() might get called
+      from do_irq_excep() before schedule_tail() has released the
+      runqueue lock (in finish_task_switch) */
+   p->thread.pcb.psl.ipl = 31;   
    
    /* We could speed this up by loading the register values into 
       the PCB and start the new thread just before the REI in

Index: syscall.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel/syscall.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- syscall.c	15 Jun 2003 22:33:56 -0000	1.6
+++ syscall.c	23 Aug 2003 00:20:47 -0000	1.7
@@ -31,6 +31,8 @@
    Later we'll probably re-write this in asm.  */
 
 extern unsigned long *sys_call_table[256];
+extern unsigned long first_syscall;
+extern unsigned long last_syscall;
 
 void syscall_handler(struct pt_regs *regs, void *excep_info)
 {
@@ -40,7 +42,7 @@
 
 	chmk_arg = *(unsigned int *)(excep_info);
 
-	if (chmk_arg >= NR_syscalls) {
+	if (chmk_arg >= (&last_syscall - &first_syscall)) {
 		regs->r0 = -ENOSYS;
 		return;
 	}

[LV-commit] CVS: kernel-2.5/include/asm-vax system.h,1.14,1.15

From: Kenn H. <ke...@us...> - 2003-08-23 00:20:50

Update of /cvsroot/linux-vax/kernel-2.5/include/asm-vax
In directory sc8-pr-cvs1:/tmp/cvs-serv13334/include/asm-vax

Modified Files:
	system.h 
Log Message:
Scheduler changes in 2.5.63 mean that we need to return the 'prev'
pointer properly after context switching.  We also need a separate
path for newly-created processes (ret_from_fork, rather than 
ret_from_syscall, and we've probably needed this for a long time).

Also NR_syscalls disappears in 2.5.63


Index: system.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/include/asm-vax/system.h,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -r1.14 -r1.15
--- system.h	22 Jul 2003 01:27:28 -0000	1.14
+++ system.h	23 Aug 2003 00:20:47 -0000	1.15
@@ -35,8 +35,8 @@
 
 /* This macro wrapper around switch_to() means that the compiler
    doesn't need to push the unused 3rd argument on the stack */
-extern void __switch_to(struct task_struct*, struct task_struct*);
-#define switch_to(prev, next, last)	__switch_to((prev), (next))
+struct task_struct *__switch_to(struct task_struct*, struct task_struct*);
+#define switch_to(prev, next, last)	(last) = __switch_to((prev), (next))
 
 /*
  * Atomic compare and exchange.  Compare OLD with MEM, if identical,

[LV-commit] CVS: kernel-2.5/net/sunrpc clnt.c,1.1.1.17,1.2

From: Kenn H. <ke...@us...> - 2003-08-23 00:16:26

Update of /cvsroot/linux-vax/kernel-2.5/net/sunrpc
In directory sc8-pr-cvs1:/tmp/cvs-serv12842/net/sunrpc

Modified Files:
	clnt.c 
Log Message:
This fixes a problem where 2.5.63 crashes in rpc_depopulate during
NFS root mounting.  This fix will appear in the official kernel in
2.5.65.


Index: clnt.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/net/sunrpc/clnt.c,v
retrieving revision 1.1.1.17
retrieving revision 1.2
diff -u -r1.1.1.17 -r1.2
--- clnt.c	19 Aug 2003 12:39:12 -0000	1.1.1.17
+++ clnt.c	23 Aug 2003 00:16:22 -0000	1.2
@@ -208,7 +208,8 @@
 		rpcauth_destroy(clnt->cl_auth);
 		clnt->cl_auth = NULL;
 	}
-	rpc_rmdir(clnt->cl_pathname);
+	if (clnt->cl_pathname[0])
+		rpc_rmdir(clnt->cl_pathname);
 	if (clnt->cl_xprt) {
 		xprt_destroy(clnt->cl_xprt);
 		clnt->cl_xprt = NULL;

[LV-commit] CVS: kernel-2.5/include/asm-vax posix_types.h,1.3,1.4

From: Kenn H. <ke...@us...> - 2003-08-23 00:15:24

Update of /cvsroot/linux-vax/kernel-2.5/include/asm-vax
In directory sc8-pr-cvs1:/tmp/cvs-serv12691/include/asm

Modified Files:
	posix_types.h 
Log Message:
Need types for __kernel_clockid_t and __kernel_timer_t


Index: posix_types.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/include/asm-vax/posix_types.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- posix_types.h	20 May 2002 00:33:39 -0000	1.3
+++ posix_types.h	23 Aug 2003 00:15:21 -0000	1.4
@@ -35,6 +35,8 @@
 typedef unsigned short	__kernel_old_uid_t;
 typedef unsigned short	__kernel_old_gid_t;
 
+typedef int		__kernel_clockid_t;
+typedef int		__kernel_timer_t;
 
 #ifdef __GNUC__
 typedef long long		__kernel_loff_t;

[LV-commit] CVS: kernel-2.5/arch/vax/mm init.c,1.12,1.13

From: Kenn H. <ke...@us...> - 2003-08-23 00:14:46

Update of /cvsroot/linux-vax/kernel-2.5/arch/vax/mm
In directory sc8-pr-cvs1:/tmp/cvs-serv12515/arch/vax/mm

Modified Files:
	init.c 
Log Message:
totalram_pages should not be static.  It is also defined as a global
in linux/swap.h.  This fixes problems with tmpfs not thinking there
is enough physical RAM for it (because the global totalram_pages is
left at zero).


Index: init.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/mm/init.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- init.c	3 Aug 2003 12:07:31 -0000	1.12
+++ init.c	23 Aug 2003 00:14:44 -0000	1.13
@@ -18,8 +18,6 @@
 
 #define VAX_INIT_DEBUG
 
-static unsigned long totalram_pages;
-
 unsigned long empty_zero_page[PAGE_SIZE /
 			      sizeof(unsigned long)]
     __attribute__ ((__aligned__(PAGE_SIZE)));

[LV-commit] CVS: kernel-2.5/net/ipv6 xfrm_policy.c,1.1.1.1,NONE

From: Kenn H. <ke...@us...> - 2003-08-22 15:23:08

Update of /cvsroot/linux-vax/kernel-2.5/net/ipv6
In directory sc8-pr-cvs1:/tmp/cvs-serv15164/net/ipv6

Removed Files:
	xfrm_policy.c 
Log Message:
Merge with 2.5.63


--- xfrm_policy.c DELETED ---

[LV-commit] CVS: kernel-2.5/include/asm-i386 cobalt.h,1.1.1.1,NONE lithium.h,1.1.1.1,NONE

From: Kenn H. <ke...@us...> - 2003-08-22 10:59:53

Update of /cvsroot/linux-vax/kernel-2.5/include/asm-i386
In directory sc8-pr-cvs1:/tmp/cvs-serv15164/include/asm-i386

Removed Files:
	cobalt.h lithium.h 
Log Message:
Merge with 2.5.63


--- cobalt.h DELETED ---

--- lithium.h DELETED ---

[LV-commit] CVS: kernel-2.5/arch/ppc64/kernel profile.c,1.1.1.1,NONE

From: Kenn H. <ke...@us...> - 2003-08-22 10:08:13

Update of /cvsroot/linux-vax/kernel-2.5/arch/ppc64/kernel
In directory sc8-pr-cvs1:/tmp/cvs-serv14489/arch/ppc64/kernel

Removed Files:
	profile.c 
Log Message:
Merge with 2.5.63


--- profile.c DELETED ---

[LV-commit] CVS: kernel-2.5/arch/sparc64/kernel profile.c,1.1.1.1,NONE