---

yaml
---
r: 99531
b: refs/heads/master
c: 3843fc2
h: refs/heads/master
i:
  99529: e460ce0
  99527: 935a1f8
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e6b0edef3453677b13e175a104a83eb36d062dd3
+refs/heads/master: 3843fc2575e3389f4f0ad0420a720240a5746a5d

trunk/arch/sparc64/kernel/process.c

@@ -657,39 +657,20 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 		struct task_struct *p, struct pt_regs *regs)
 {
 	struct thread_info *t = task_thread_info(p);
-	struct sparc_stackf *parent_sf;
-	unsigned long child_stack_sz;
 	char *child_trap_frame;
-	int kernel_thread;
-
-	kernel_thread = (regs->tstate & TSTATE_PRIV) ? 1 : 0;
-	parent_sf = ((struct sparc_stackf *) regs) - 1;
 
 	/* Calculate offset to stack_frame & pt_regs */
-	child_stack_sz = ((STACKFRAME_SZ + TRACEREG_SZ) +
-			  (kernel_thread ? STACKFRAME_SZ : 0));
-	child_trap_frame = (task_stack_page(p) +
-			    (THREAD_SIZE - child_stack_sz));
-	memcpy(child_trap_frame, parent_sf, child_stack_sz);
-
-	t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) |
-				 (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
+	child_trap_frame = task_stack_page(p) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
+	memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
+
+	t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
 		(((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
 	t->new_child = 1;
 	t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
-	t->kregs = (struct pt_regs *) (child_trap_frame +
-				       sizeof(struct sparc_stackf));
+	t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
 	t->fpsaved[0] = 0;
 
-	if (kernel_thread) {
-		struct sparc_stackf *child_sf = (struct sparc_stackf *)
-			(child_trap_frame + (STACKFRAME_SZ + TRACEREG_SZ));
-
-		/* Zero terminate the stack backtrace.  */
-		child_sf->fp = NULL;
-		t->kregs->u_regs[UREG_FP] =
-		  ((unsigned long) child_sf) - STACK_BIAS;
-
+	if (regs->tstate & TSTATE_PRIV) {
 		/* Special case, if we are spawning a kernel thread from
 		 * a userspace task (via KMOD, NFS, or similar) we must
 		 * disable performance counters in the child because the
@@ -700,7 +681,12 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 			t->pcr_reg = 0;
 			t->flags &= ~_TIF_PERFCTR;
 		}
+		t->kregs->u_regs[UREG_FP] = t->ksp;
 		t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT);
+		flush_register_windows();
+		memcpy((void *)(t->ksp + STACK_BIAS),
+		       (void *)(regs->u_regs[UREG_FP] + STACK_BIAS),
+		       sizeof(struct sparc_stackf));
 		t->kregs->u_regs[UREG_G6] = (unsigned long) t;
 		t->kregs->u_regs[UREG_G4] = (unsigned long) t->task;
 	} else {

trunk/arch/sparc64/kernel/rtrap.S

@@ -363,7 +363,6 @@ kern_rtt:	rdpr			%canrestore, %g1
 		brz,pn			%g1, kern_rtt_fill
 		 nop
 kern_rtt_restore:
-		stw			%g0, [%sp + PTREGS_OFF + PT_V9_MAGIC]
 		restore
 		retry
 

trunk/arch/sparc64/kernel/stacktrace.c

@@ -19,7 +19,7 @@ void save_stack_trace(struct stack_trace *trace)
 	fp = ksp + STACK_BIAS;
 	thread_base = (unsigned long) tp;
 	do {
-		struct sparc_stackf *sf;
+		struct reg_window *rw;
 		struct pt_regs *regs;
 		unsigned long pc;
 
@@ -28,17 +28,15 @@ void save_stack_trace(struct stack_trace *trace)
 		    fp >= (thread_base + THREAD_SIZE))
 			break;
 
-		sf = (struct sparc_stackf *) fp;
-		regs = (struct pt_regs *) (sf + 1);
+		rw = (struct reg_window *) fp;
+		regs = (struct pt_regs *) (rw + 1);
 
 		if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
-			if (!(regs->tstate & TSTATE_PRIV))
-				break;
 			pc = regs->tpc;
 			fp = regs->u_regs[UREG_I6] + STACK_BIAS;
 		} else {
-			pc = sf->callers_pc;
-			fp = (unsigned long)sf->fp + STACK_BIAS;
+			pc = rw->ins[7];
+			fp = rw->ins[6] + STACK_BIAS;
 		}
 
 		if (trace->skip > 0)

trunk/arch/sparc64/kernel/traps.c

@@ -2116,25 +2116,23 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
 	printk("\n");
 #endif
 	do {
-		struct sparc_stackf *sf;
+		struct reg_window *rw;
 		struct pt_regs *regs;
 		unsigned long pc;
 
 		/* Bogus frame pointer? */
 		if (fp < (thread_base + sizeof(struct thread_info)) ||
 		    fp >= (thread_base + THREAD_SIZE))
 			break;
-		sf = (struct sparc_stackf *) fp;
-		regs = (struct pt_regs *) (sf + 1);
+		rw = (struct reg_window *)fp;
+		regs = (struct pt_regs *) (rw + 1);
 
 		if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
-			if (!(regs->tstate & TSTATE_PRIV))
-				break;
 			pc = regs->tpc;
 			fp = regs->u_regs[UREG_I6] + STACK_BIAS;
 		} else {
-			pc = sf->callers_pc;
-			fp = (unsigned long)sf->fp + STACK_BIAS;
+			pc = rw->ins[7];
+			fp = rw->ins[6] + STACK_BIAS;
 		}
 
 		printk(" [%016lx] ", pc);

trunk/arch/x86/vdso/vma.c

@@ -16,7 +16,7 @@
 #include "vextern.h"		/* Just for VMAGIC.  */
 #undef VEXTERN
 
-unsigned int __read_mostly vdso_enabled = 1;
+int vdso_enabled = 1;
 
 extern char vdso_start[], vdso_end[];
 extern unsigned short vdso_sync_cpuid;

trunk/arch/x86/xen/Kconfig

@@ -6,7 +6,7 @@ config XEN
 	bool "Xen guest support"
 	select PARAVIRT
 	depends on X86_32
-	depends on X86_CMPXCHG && X86_TSC && !(X86_VISWS || X86_VOYAGER)
+	depends on X86_CMPXCHG && X86_TSC && X86_PAE && !(X86_VISWS || X86_VOYAGER)
 	help
 	  This is the Linux Xen port.  Enabling this will allow the
 	  kernel to boot in a paravirtualized environment under the

trunk/arch/x86/xen/enlighten.c

@@ -785,38 +785,35 @@ static __init void xen_set_pte_init(pte_t *ptep, pte_t pte)
 static __init void xen_pagetable_setup_start(pgd_t *base)
 {
 	pgd_t *xen_pgd = (pgd_t *)xen_start_info->pt_base;
+	int i;
 
 	/* special set_pte for pagetable initialization */
 	pv_mmu_ops.set_pte = xen_set_pte_init;
 
 	init_mm.pgd = base;
 	/*
-	 * copy top-level of Xen-supplied pagetable into place.	 For
-	 * !PAE we can use this as-is, but for PAE it is a stand-in
-	 * while we copy the pmd pages.
+	 * copy top-level of Xen-supplied pagetable into place.  This
+	 * is a stand-in while we copy the pmd pages.
 	 */
 	memcpy(base, xen_pgd, PTRS_PER_PGD * sizeof(pgd_t));
 
-	if (PTRS_PER_PMD > 1) {
-		int i;
-		/*
-		 * For PAE, need to allocate new pmds, rather than
-		 * share Xen's, since Xen doesn't like pmd's being
-		 * shared between address spaces.
-		 */
-		for (i = 0; i < PTRS_PER_PGD; i++) {
-			if (pgd_val_ma(xen_pgd[i]) & _PAGE_PRESENT) {
-				pmd_t *pmd = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE);
+	/*
+	 * For PAE, need to allocate new pmds, rather than
+	 * share Xen's, since Xen doesn't like pmd's being
+	 * shared between address spaces.
+	 */
+	for (i = 0; i < PTRS_PER_PGD; i++) {
+		if (pgd_val_ma(xen_pgd[i]) & _PAGE_PRESENT) {
+			pmd_t *pmd = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE);
 
-				memcpy(pmd, (void *)pgd_page_vaddr(xen_pgd[i]),
-				       PAGE_SIZE);
+			memcpy(pmd, (void *)pgd_page_vaddr(xen_pgd[i]),
+			       PAGE_SIZE);
 
-				make_lowmem_page_readonly(pmd);
+			make_lowmem_page_readonly(pmd);
 
-				set_pgd(&base[i], __pgd(1 + __pa(pmd)));
-			} else
-				pgd_clear(&base[i]);
-		}
+			set_pgd(&base[i], __pgd(1 + __pa(pmd)));
+		} else
+			pgd_clear(&base[i]);
 	}
 
 	/* make sure zero_page is mapped RO so we can use it in pagetables */
@@ -873,17 +870,7 @@ static __init void xen_pagetable_setup_done(pgd_t *base)
 
 	/* Actually pin the pagetable down, but we can't set PG_pinned
 	   yet because the page structures don't exist yet. */
-	{
-		unsigned level;
-
-#ifdef CONFIG_X86_PAE
-		level = MMUEXT_PIN_L3_TABLE;
-#else
-		level = MMUEXT_PIN_L2_TABLE;
-#endif
-
-		pin_pagetable_pfn(level, PFN_DOWN(__pa(base)));
-	}
+	pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(base)));
 }
 
 /* This is called once we have the cpu_possible_map */
@@ -1093,7 +1080,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
 	.make_pte = xen_make_pte,
 	.make_pgd = xen_make_pgd,
 
-#ifdef CONFIG_X86_PAE
 	.set_pte_atomic = xen_set_pte_atomic,
 	.set_pte_present = xen_set_pte_at,
 	.set_pud = xen_set_pud,
@@ -1102,7 +1088,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
 
 	.make_pmd = xen_make_pmd,
 	.pmd_val = xen_pmd_val,
-#endif	/* PAE */
 
 	.activate_mm = xen_activate_mm,
 	.dup_mmap = xen_dup_mmap,

trunk/arch/x86/xen/mmu.c

@@ -222,7 +222,7 @@ pmdval_t xen_pmd_val(pmd_t pmd)
 		ret = machine_to_phys(XMADDR(ret)).paddr | _PAGE_PRESENT;
 	return ret;
 }
-#ifdef CONFIG_X86_PAE
+
 void xen_set_pud(pud_t *ptr, pud_t val)
 {
 	struct multicall_space mcs;
@@ -272,12 +272,6 @@ pmd_t xen_make_pmd(pmdval_t pmd)
 
 	return native_make_pmd(pmd);
 }
-#else  /* !PAE */
-void xen_set_pte(pte_t *ptep, pte_t pte)
-{
-	*ptep = pte;
-}
-#endif	/* CONFIG_X86_PAE */
 
 /*
   (Yet another) pagetable walker.  This one is intended for pinning a
@@ -430,8 +424,6 @@ static int pin_page(struct page *page, enum pt_level level)
    read-only, and can be pinned. */
 void xen_pgd_pin(pgd_t *pgd)
 {
-	unsigned level;
-
 	xen_mc_batch();
 
 	if (pgd_walk(pgd, pin_page, TASK_SIZE)) {
@@ -441,14 +433,7 @@ void xen_pgd_pin(pgd_t *pgd)
 		xen_mc_batch();
 	}
 
-#ifdef CONFIG_X86_PAE
-	level = MMUEXT_PIN_L3_TABLE;
-#else
-	level = MMUEXT_PIN_L2_TABLE;
-#endif
-
-	xen_do_pin(level, PFN_DOWN(__pa(pgd)));
-
+	xen_do_pin(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(pgd)));
 	xen_mc_issue(0);
 }
 

trunk/arch/x86/xen/mmu.h

@@ -37,14 +37,13 @@ void xen_exit_mmap(struct mm_struct *mm);
 void xen_pgd_pin(pgd_t *pgd);
 //void xen_pgd_unpin(pgd_t *pgd);
 
-#ifdef CONFIG_X86_PAE
-unsigned long long xen_pte_val(pte_t);
-unsigned long long xen_pmd_val(pmd_t);
-unsigned long long xen_pgd_val(pgd_t);
+pteval_t xen_pte_val(pte_t);
+pmdval_t xen_pmd_val(pmd_t);
+pgdval_t xen_pgd_val(pgd_t);
 
-pte_t xen_make_pte(unsigned long long);
-pmd_t xen_make_pmd(unsigned long long);
-pgd_t xen_make_pgd(unsigned long long);
+pte_t xen_make_pte(pteval_t);
+pmd_t xen_make_pmd(pmdval_t);
+pgd_t xen_make_pgd(pgdval_t);
 
 void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
 		    pte_t *ptep, pte_t pteval);
@@ -53,15 +52,4 @@ void xen_set_pud(pud_t *ptr, pud_t val);
 void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
 void xen_pmd_clear(pmd_t *pmdp);
 
-
-#else
-unsigned long xen_pte_val(pte_t);
-unsigned long xen_pmd_val(pmd_t);
-unsigned long xen_pgd_val(pgd_t);
-
-pte_t xen_make_pte(unsigned long);
-pmd_t xen_make_pmd(unsigned long);
-pgd_t xen_make_pgd(unsigned long);
-#endif
-
 #endif	/* _XEN_MMU_H */

trunk/arch/x86/xen/xen-head.S

@@ -30,11 +30,7 @@ ENTRY(hypercall_page)
 	ELFNOTE(Xen, XEN_ELFNOTE_ENTRY,          .long  startup_xen)
 	ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long  hypercall_page)
 	ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb")
-#ifdef CONFIG_X86_PAE
 	ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "yes")
-#else
-	ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "no")
-#endif
 	ELFNOTE(Xen, XEN_ELFNOTE_LOADER,         .asciz "generic")
 
 #endif /*CONFIG_XEN */

trunk/drivers/net/cassini.c

@@ -142,8 +142,8 @@
 
 #define DRV_MODULE_NAME		"cassini"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"1.6"
-#define DRV_MODULE_RELDATE	"21 May 2008"
+#define DRV_MODULE_VERSION	"1.5"
+#define DRV_MODULE_RELDATE	"4 Jan 2008"
 
 #define CAS_DEF_MSG_ENABLE	  \
 	(NETIF_MSG_DRV		| \
@@ -2136,12 +2136,9 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
 		if (addr)
 			cas_page_unmap(addr);
 	}
+	skb->csum = csum_unfold(~csum);
+	skb->ip_summed = CHECKSUM_COMPLETE;
 	skb->protocol = eth_type_trans(skb, cp->dev);
-	if (skb->protocol == htons(ETH_P_IP)) {
-		skb->csum = csum_unfold(~csum);
-		skb->ip_summed = CHECKSUM_COMPLETE;
-	} else
-		skb->ip_summed = CHECKSUM_NONE;
 	return len;
 }
 

trunk/drivers/net/wireless/ath5k/base.c

@@ -1787,8 +1787,6 @@ ath5k_tasklet_rx(unsigned long data)
 
 	spin_lock(&sc->rxbuflock);
 	do {
-		rxs.flag = 0;
-
 		if (unlikely(list_empty(&sc->rxbuf))) {
 			ATH5K_WARN(sc, "empty rx buf pool\n");
 			break;