Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

c4a1745a · Linus Torvalds <[email protected]> · 2006-03-20 11:57:50 -08:00

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
  [SPARC64]: Update defconfig.
  [SPARC64]: Fix 2 bugs in huge page support.
  [SPARC64]: CONFIG_BLK_DEV_RAM fix
  [SPARC64]: Optimized TSB table initialization.
  [SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
  [SPARC64]: Use SLAB caches for TSB tables.
  [SPARC64]: Don't kill the page allocator when growing a TSB.
  [SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
  [SPARC64]: Increase top of 32-bit process stack.
  [SPARC64]: Top-down address space allocation for 32-bit tasks.
  [SPARC64] bbc_i2c: Fix cpu check and add missing module license.
  [SPARC64]: Fix and re-enable dynamic TSB sizing.
  [SUNSU]: Fix missing spinlock initialization.
  [TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
  [SPARC64]: First cut at VIS simulator for Niagara.
  [SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
  [SPARC64]: Add SMT scheduling support for Niagara.
  [SPARC64]: Fix 32-bit truncation which broke sparsemem.
  [SPARC64]: Move over to sparsemem.
  [SPARC64]: Fix new context version SMP handling.
  ...

Commit: c4a1745aa09fc110afdefea0e5d025043e348bae
Parents: 88dcb911 · ac0eb3eb

Merge commit. Changes below are compared with the first parent: 88dcb911.

Changes

125 files changed · +14183 −4015

File	Status	Add	Del	Content
arch/sparc/kernel/ioport.c	modified	+15	−25	View file
arch/sparc64/Kconfig	modified	+18	−0	View file
arch/sparc64/defconfig	modified	+14	−11	View file
arch/sparc64/kernel/Makefile	modified	+5	−3	View file
arch/sparc64/kernel/binfmt_aout32.c	modified	+5	−9	View file
arch/sparc64/kernel/binfmt_elf32.c	modified	+3	−1	View file
arch/sparc64/kernel/cpu.c	modified	+7	−0	View file
arch/sparc64/kernel/devices.c	modified	+179	−10	View file
arch/sparc64/kernel/dtlb_backend.S	deleted	+0	−170	View before deletion
arch/sparc64/kernel/dtlb_base.S	deleted	+0	−109	View before deletion
arch/sparc64/kernel/dtlb_miss.S	added	+39	−0	View file
arch/sparc64/kernel/ebus.c	modified	+1	−2	View file
arch/sparc64/kernel/entry.S	modified	+232	−99	View file
arch/sparc64/kernel/etrap.S	modified	+72	−98	View file
arch/sparc64/kernel/head.S	modified	+172	−82	View file
arch/sparc64/kernel/irq.c	modified	+252	−87	View file
arch/sparc64/kernel/itlb_base.S	deleted	+0	−79	View before deletion
arch/sparc64/kernel/itlb_miss.S	added	+39	−0	View file
arch/sparc64/kernel/ktlb.S	modified	+224	−139	View file
arch/sparc64/kernel/pci.c	modified	+13	−0	View file
arch/sparc64/kernel/pci_common.c	modified	+174	−127	View file
arch/sparc64/kernel/pci_iommu.c	modified	+23	−13	View file
arch/sparc64/kernel/pci_psycho.c	modified	+10	−13	View file
arch/sparc64/kernel/pci_sabre.c	modified	+10	−13	View file
arch/sparc64/kernel/pci_schizo.c	modified	+10	−14	View file
arch/sparc64/kernel/pci_sun4v.c	added	+1147	−0	View file
arch/sparc64/kernel/pci_sun4v.h	added	+31	−0	View file
arch/sparc64/kernel/pci_sun4v_asm.S	added	+95	−0	View file
arch/sparc64/kernel/process.c	modified	+57	−76	View file
arch/sparc64/kernel/ptrace.c	modified	+3	−0	View file
arch/sparc64/kernel/rtrap.S	modified	+105	−10	View file
arch/sparc64/kernel/sbus.c	modified	+5	−5	View file
arch/sparc64/kernel/setup.c	modified	+124	−285	View file
arch/sparc64/kernel/smp.c	modified	+314	−104	View file
arch/sparc64/kernel/sparc64_ksyms.c	modified	+14	−12	View file
arch/sparc64/kernel/sun4v_ivec.S	added	+334	−0	View file
arch/sparc64/kernel/sun4v_tlb_miss.S	added	+421	−0	View file
arch/sparc64/kernel/sys_sparc.c	modified	+263	−34	View file
arch/sparc64/kernel/sys_sparc32.c	modified	+5	−4	View file
arch/sparc64/kernel/time.c	modified	+348	−25	View file
arch/sparc64/kernel/trampoline.S	modified	+163	−75	View file
arch/sparc64/kernel/traps.c	modified	+388	−15	View file
arch/sparc64/kernel/tsb.S	added	+442	−0	View file
arch/sparc64/kernel/ttable.S	modified	+25	−38	View file
arch/sparc64/kernel/unaligned.c	modified	+34	−11	View file
arch/sparc64/kernel/us2e_cpufreq.c	modified	+5	−6	View file
arch/sparc64/kernel/us3_cpufreq.c	modified	+5	−6	View file
arch/sparc64/kernel/visemul.c	added	+894	−0	View file
arch/sparc64/kernel/vmlinux.lds.S	modified	+16	−0	View file
arch/sparc64/kernel/winfixup.S	modified	+124	−356	View file
arch/sparc64/lib/Makefile	modified	+2	−0	View file
arch/sparc64/lib/NGbzero.S	added	+163	−0	View file
arch/sparc64/lib/NGcopy_from_user.S	added	+37	−0	View file
arch/sparc64/lib/NGcopy_to_user.S	added	+40	−0	View file
arch/sparc64/lib/NGmemcpy.S	added	+368	−0	View file
arch/sparc64/lib/NGpage.S	added	+96	−0	View file
arch/sparc64/lib/NGpatch.S	added	+33	−0	View file
arch/sparc64/lib/U3patch.S	modified	+2	−1	View file
arch/sparc64/lib/bzero.S	modified	+9	−9	View file
arch/sparc64/lib/clear_page.S	modified	+5	−7	View file
arch/sparc64/lib/copy_page.S	modified	+2	−5	View file
arch/sparc64/lib/delay.c	modified	+8	−11	View file
arch/sparc64/lib/xor.S	modified	+299	−1	View file
arch/sparc64/math-emu/math.c	modified	+22	−2	View file
arch/sparc64/mm/Makefile	modified	+1	−1	View file
arch/sparc64/mm/fault.c	modified	+11	−4	View file
arch/sparc64/mm/generic.c	modified	+18	−22	View file
arch/sparc64/mm/hugetlbpage.c	modified	+175	−4	View file
arch/sparc64/mm/init.c	modified	+797	−650	View file
arch/sparc64/mm/tlb.c	modified	+4	−60	View file
arch/sparc64/mm/tsb.c	added	+440	−0	View file
arch/sparc64/mm/ultra.S	modified	+293	−81	View file
arch/sparc64/prom/cif.S	modified	+17	−194	View file
arch/sparc64/prom/console.c	modified	+6	−0	View file
arch/sparc64/prom/init.c	modified	+8	−52	View file
arch/sparc64/prom/misc.c	modified	+24	−20	View file
arch/sparc64/prom/p1275.c	modified	+0	−11	View file
arch/sparc64/prom/tree.c	modified	+6	−3	View file
arch/sparc64/solaris/misc.c	modified	+2	−2	View file
drivers/net/tg3.c	modified	+4	−0	View file
drivers/sbus/char/bbc_i2c.c	modified	+3	−1	View file
drivers/serial/Kconfig	modified	+7	−0	View file
drivers/serial/Makefile	modified	+1	−0	View file
drivers/serial/sunhv.c	added	+550	−0	View file
drivers/serial/sunsab.c	modified	+10	−9	View file
drivers/serial/sunsu.c	modified	+15	−11	View file
drivers/serial/sunzilog.c	modified	+29	−6	View file
include/asm-sparc/idprom.h	modified	+9	−17	View file
include/asm-sparc/oplib.h	modified	+2	−0	View file
include/asm-sparc/uaccess.h	modified	+0	−47	View file
include/asm-sparc64/a.out.h	modified	+5	−1	View file
include/asm-sparc64/asi.h	modified	+17	−1	View file
include/asm-sparc64/cpudata.h	modified	+193	−10	View file
include/asm-sparc64/elf.h	modified	+17	−5	View file
include/asm-sparc64/head.h	modified	+15	−0	View file
include/asm-sparc64/hypervisor.h	added	+2128	−0	View file
include/asm-sparc64/idprom.h	modified	+1	−11	View file
include/asm-sparc64/intr_queue.h	added	+15	−0	View file
include/asm-sparc64/irq.h	modified	+4	−0	View file
include/asm-sparc64/mmu.h	modified	+22	−14	View file
include/asm-sparc64/mmu_context.h	modified	+81	−81	View file
include/asm-sparc64/numnodes.h	added	+6	−0	View file
include/asm-sparc64/oplib.h	modified	+19	−24	View file
include/asm-sparc64/page.h	modified	+4	−9	View file
include/asm-sparc64/pbm.h	modified	+3	−0	View file
include/asm-sparc64/pci.h	modified	+45	−11	View file
include/asm-sparc64/pgalloc.h	modified	+27	−139	View file
include/asm-sparc64/pgtable.h	modified	+516	−188	View file
include/asm-sparc64/pil.h	modified	+3	−1	View file
include/asm-sparc64/processor.h	modified	+8	−15	View file
include/asm-sparc64/pstate.h	modified	+5	−4	View file
include/asm-sparc64/scratchpad.h	added	+14	−0	View file
include/asm-sparc64/smp.h	modified	+3	−27	View file
include/asm-sparc64/sparsemem.h	added	+12	−0	View file
include/asm-sparc64/spitfire.h	modified	+1	−0	View file
include/asm-sparc64/system.h	modified	+2	−5	View file
include/asm-sparc64/thread_info.h	modified	+3	−6	View file
include/asm-sparc64/timex.h	modified	+6	−0	View file
include/asm-sparc64/tlbflush.h	modified	+19	−6	View file
include/asm-sparc64/tsb.h	added	+281	−0	View file
include/asm-sparc64/ttable.h	modified	+261	−11	View file
include/asm-sparc64/uaccess.h	modified	+1	−45	View file
include/asm-sparc64/vdev.h	added	+16	−0	View file
include/asm-sparc64/xor.h	modified	+30	−4	View file
include/linux/serial_core.h	modified	+3	−0	View file

Only the first 600 diff lines are shown. Download the complete patch.

arch/sparc/kernel/ioport.c

View file

diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index d39c9f2..460f72e 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -217,7 +217,7 @@ static void _sparc_free_io(struct resource *res)
 	unsigned long plen;
 
 	plen = res->end - res->start + 1;
-	if ((plen & (PAGE_SIZE-1)) != 0) BUG();
+	BUG_ON((plen & (PAGE_SIZE-1)) != 0);
 	sparc_unmapiorange(res->start, plen);
 	release_resource(res);
 }
@@ -512,8 +512,7 @@ void pci_free_consistent(struct pci_dev *pdev, size_t n, void *p, dma_addr_t ba)
 dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size,
     int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* IIep is write-through, not flushing. */
 	return virt_to_phys(ptr);
 }
@@ -528,8 +527,7 @@ dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size,
 void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t ba, size_t size,
     int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		mmu_inval_dma_area((unsigned long)phys_to_virt(ba),
 		    (size + PAGE_SIZE-1) & PAGE_MASK);
@@ -542,8 +540,7 @@ void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t ba, size_t size,
 dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page,
 			unsigned long offset, size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* IIep is write-through, not flushing. */
 	return page_to_phys(page) + offset;
 }
@@ -551,8 +548,7 @@ dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page,
 void pci_unmap_page(struct pci_dev *hwdev,
 			dma_addr_t dma_address, size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* mmu_inval_dma_area XXX */
 }
 
@@ -576,11 +572,10 @@ int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents,
 {
 	int n;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* IIep is write-through, not flushing. */
 	for (n = 0; n < nents; n++) {
-		if (page_address(sg->page) == NULL) BUG();
+		BUG_ON(page_address(sg->page) == NULL);
 		sg->dvma_address = virt_to_phys(page_address(sg->page));
 		sg->dvma_length = sg->length;
 		sg++;
@@ -597,11 +592,10 @@ void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents,
 {
 	int n;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		for (n = 0; n < nents; n++) {
-			if (page_address(sg->page) == NULL) BUG();
+			BUG_ON(page_address(sg->page) == NULL);
 			mmu_inval_dma_area(
 			    (unsigned long) page_address(sg->page),
 			    (sg->length + PAGE_SIZE-1) & PAGE_MASK);
@@ -622,8 +616,7 @@ void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents,
  */
 void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t ba, size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		mmu_inval_dma_area((unsigned long)phys_to_virt(ba),
 		    (size + PAGE_SIZE-1) & PAGE_MASK);
@@ -632,8 +625,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t ba, size_t si
 
 void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t ba, size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		mmu_inval_dma_area((unsigned long)phys_to_virt(ba),
 		    (size + PAGE_SIZE-1) & PAGE_MASK);
@@ -650,11 +642,10 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int 
 {
 	int n;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		for (n = 0; n < nents; n++) {
-			if (page_address(sg->page) == NULL) BUG();
+			BUG_ON(page_address(sg->page) == NULL);
 			mmu_inval_dma_area(
 			    (unsigned long) page_address(sg->page),
 			    (sg->length + PAGE_SIZE-1) & PAGE_MASK);
@@ -667,11 +658,10 @@ void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, i
 {
 	int n;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	if (direction != PCI_DMA_TODEVICE) {
 		for (n = 0; n < nents; n++) {
-			if (page_address(sg->page) == NULL) BUG();
+			BUG_ON(page_address(sg->page) == NULL);
 			mmu_inval_dma_area(
 			    (unsigned long) page_address(sg->page),
 			    (sg->length + PAGE_SIZE-1) & PAGE_MASK);

arch/sparc64/Kconfig

View file

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 4c0a50a..c3685b3 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -186,6 +186,15 @@ endchoice
 
 endmenu
 
+config ARCH_SPARSEMEM_ENABLE
+	def_bool y
+
+config ARCH_SPARSEMEM_DEFAULT
+	def_bool y
+
+config LARGE_ALLOCS
+	def_bool y
+
 source "mm/Kconfig"
 
 config GENERIC_ISA_DMA
@@ -350,6 +359,15 @@ config SOLARIS_EMUL
 
 endmenu
 
+config SCHED_SMT
+	bool "SMT (Hyperthreading) scheduler support"
+	depends on SMP
+	default y
+	help
+	  SMT scheduler support improves the CPU scheduler's decision making
+	  when dealing with UltraSPARC cpus at a cost of slightly increased
+	  overhead in some places. If unsure say N here.
+
 config CMDLINE_BOOL
 	bool "Default bootloader kernel arguments"
 

arch/sparc64/defconfig

View file

diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 069d497..f819a96 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2
-# Tue Feb  7 17:47:18 2006
+# Linux kernel version: 2.6.16
+# Mon Mar 20 01:23:21 2006
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -115,14 +115,20 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_HUGETLB_PAGE_SIZE_4MB=y
 # CONFIG_HUGETLB_PAGE_SIZE_512K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64K is not set
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_LARGE_ALLOCS=y
 CONFIG_SELECT_MEMORY_MODEL=y
-CONFIG_FLATMEM_MANUAL=y
+# CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_FLATMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_EXTREME=y
+CONFIG_MEMORY_HOTPLUG=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_SBUS=y
 CONFIG_SBUSCHAR=y
@@ -655,6 +661,7 @@ CONFIG_SERIAL_SUNCORE=y
 CONFIG_SERIAL_SUNSU=y
 CONFIG_SERIAL_SUNSU_CONSOLE=y
 CONFIG_SERIAL_SUNSAB=m
+CONFIG_SERIAL_SUNHV=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
@@ -1116,11 +1123,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
-#
-
-#
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #

arch/sparc64/kernel/Makefile

View file

diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 83d67eb..6f68164 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -11,10 +11,12 @@ obj-y		:= process.o setup.o cpu.o idprom.o \
 		   traps.o devices.o auxio.o una_asm.o \
 		   irq.o ptrace.o time.o sys_sparc.o signal.o \
 		   unaligned.o central.o pci.o starfire.o semaphore.o \
-		   power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o
+		   power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \
+		   visemul.o
 
 obj-$(CONFIG_PCI)	 += ebus.o isa.o pci_common.o pci_iommu.o \
-			    pci_psycho.o pci_sabre.o pci_schizo.o
+			    pci_psycho.o pci_sabre.o pci_schizo.o \
+			    pci_sun4v.o pci_sun4v_asm.o
 obj-$(CONFIG_SMP)	 += smp.o trampoline.o
 obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o
 obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
@@ -38,5 +40,5 @@ else
   CMODEL_CFLAG := -m64 -mcmodel=medlow
 endif
 
-head.o: head.S ttable.S itlb_base.S dtlb_base.S dtlb_backend.S dtlb_prot.S \
+head.o: head.S ttable.S itlb_miss.S dtlb_miss.S ktlb.S tsb.S \
 	etrap.S rtrap.S winfixup.S entry.S

arch/sparc64/kernel/binfmt_aout32.c

View file

diff --git a/arch/sparc64/kernel/binfmt_aout32.c b/arch/sparc64/kernel/binfmt_aout32.c
index 202a80c..d7caa60 100644
--- a/arch/sparc64/kernel/binfmt_aout32.c
+++ b/arch/sparc64/kernel/binfmt_aout32.c
@@ -31,6 +31,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgalloc.h>
+#include <asm/mmu_context.h>
 
 static int load_aout32_binary(struct linux_binprm *, struct pt_regs * regs);
 static int load_aout32_library(struct file*);
@@ -238,6 +239,8 @@ static int load_aout32_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 		(current->mm->start_data = N_DATADDR(ex));
 	current->mm->brk = ex.a_bss +
 		(current->mm->start_brk = N_BSSADDR(ex));
+	current->mm->free_area_cache = current->mm->mmap_base;
+	current->mm->cached_hole_size = 0;
 
 	current->mm->mmap = NULL;
 	compute_creds(bprm);
@@ -329,15 +332,8 @@ beyond_if:
 
 	current->mm->start_stack =
 		(unsigned long) create_aout32_tables((char __user *)bprm->p, bprm);
-	if (!(orig_thr_flags & _TIF_32BIT)) {
-		unsigned long pgd_cache = get_pgd_cache(current->mm->pgd);
-
-		__asm__ __volatile__("stxa\t%0, [%1] %2\n\t"
-				     "membar #Sync"
-				     : /* no outputs */
-				     : "r" (pgd_cache),
-				       "r" (TSB_REG), "i" (ASI_DMMU));
-	}
+	tsb_context_switch(current->mm);
+
 	start_thread32(regs, ex.a_entry, current->mm->start_stack);
 	if (current->ptrace & PT_PTRACED)
 		send_sig(SIGTRAP, current, 0);

arch/sparc64/kernel/binfmt_elf32.c

View file

diff --git a/arch/sparc64/kernel/binfmt_elf32.c b/arch/sparc64/kernel/binfmt_elf32.c
index a1a12d2..8a2abcc 100644
--- a/arch/sparc64/kernel/binfmt_elf32.c
+++ b/arch/sparc64/kernel/binfmt_elf32.c
@@ -153,7 +153,9 @@ MODULE_AUTHOR("Eric Youngdale, David S. Miller, Jakub Jelinek");
 #undef MODULE_DESCRIPTION
 #undef MODULE_AUTHOR
 
+#include <asm/a.out.h>
+
 #undef TASK_SIZE
-#define TASK_SIZE 0xf0000000
+#define TASK_SIZE STACK_TOP32
 
 #include "../../../fs/binfmt_elf.c"

arch/sparc64/kernel/cpu.c

View file

diff --git a/arch/sparc64/kernel/cpu.c b/arch/sparc64/kernel/cpu.c
index 00eed88..11cc0ca 100644
--- a/arch/sparc64/kernel/cpu.c
+++ b/arch/sparc64/kernel/cpu.c
@@ -13,6 +13,7 @@
 #include <asm/system.h>
 #include <asm/fpumacro.h>
 #include <asm/cpudata.h>
+#include <asm/spitfire.h>
 
 DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 };
 
@@ -71,6 +72,12 @@ void __init cpu_probe(void)
 	unsigned long ver, fpu_vers, manuf, impl, fprs;
 	int i;
 	
+	if (tlb_type == hypervisor) {
+		sparc_cpu_type = "UltraSparc T1 (Niagara)";
+		sparc_fpu_type = "UltraSparc T1 integrated FPU";
+		return;
+	}
+
 	fprs = fprs_read();
 	fprs_write(FPRS_FEF);
 	__asm__ __volatile__ ("rdpr %%ver, %0; stx %%fsr, [%1]"

arch/sparc64/kernel/devices.c

View file

diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index df9a1ca..007e892 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -12,6 +12,7 @@
 #include <linux/string.h>
 #include <linux/spinlock.h>
 #include <linux/errno.h>
+#include <linux/bootmem.h>
 
 #include <asm/page.h>
 #include <asm/oplib.h>
@@ -20,6 +21,8 @@
 #include <asm/spitfire.h>
 #include <asm/timer.h>
 #include <asm/cpudata.h>
+#include <asm/vdev.h>
+#include <asm/irq.h>
 
 /* Used to synchronize acceses to NatSemi SUPER I/O chip configure
  * operations in asm/ns87303.h
@@ -29,13 +32,158 @@ DEFINE_SPINLOCK(ns87303_lock);
 extern void cpu_probe(void);
 extern void central_probe(void);
 
-static char *cpu_mid_prop(void)
+u32 sun4v_vdev_devhandle;
+int sun4v_vdev_root;
+
+struct vdev_intmap {
+	unsigned int phys;
+	unsigned int irq;
+	unsigned int cnode;
+	unsigned int cinterrupt;
+};
+
+struct vdev_intmask {
+	unsigned int phys;
+	unsigned int interrupt;
+	unsigned int __unused;
+};
+
+static struct vdev_intmap *vdev_intmap;
+static int vdev_num_intmap;
+static struct vdev_intmask vdev_intmask;
+
+static void __init sun4v_virtual_device_probe(void)
+{
+	struct linux_prom64_registers regs;
+	struct vdev_intmap *ip;
+	int node, sz, err;
+
+	if (tlb_type != hypervisor)
+		return;
+
+	node = prom_getchild(prom_root_node);
+	node = prom_searchsiblings(node, "virtual-devices");
+	if (!node) {
+		prom_printf("SUN4V: Fatal error, no virtual-devices node.\n");
+		prom_halt();
+	}
+
+	sun4v_vdev_root = node;
+
+	prom_getproperty(node, "reg", (char *)&regs, sizeof(regs));
+	sun4v_vdev_devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff;
+
+	sz = prom_getproplen(node, "interrupt-map");
+	if (sz <= 0) {
+		prom_printf("SUN4V: Error, no vdev interrupt-map.\n");
+		prom_halt();
+	}
+
+	if ((sz % sizeof(*ip)) != 0) {
+		prom_printf("SUN4V: Bogus interrupt-map property size %d\n",
+			    sz);
+		prom_halt();
+	}
+
+	vdev_intmap = ip = alloc_bootmem_low_pages(sz);
+	if (!vdev_intmap) {
+		prom_printf("SUN4V: Error, cannot allocate vdev_intmap.\n");
+		prom_halt();
+	}
+
+	err = prom_getproperty(node, "interrupt-map", (char *) ip, sz);
+	if (err == -1) {
+		prom_printf("SUN4V: Fatal error, no vdev interrupt-map.\n");
+		prom_halt();
+	}
+	if (err != sz) {
+		prom_printf("SUN4V: Inconsistent interrupt-map size, "
+			    "proplen(%d) vs getprop(%d).\n", sz,err);
+		prom_halt();
+	}
+
+	vdev_num_intmap = err / sizeof(*ip);
+
+	err = prom_getproperty(node, "interrupt-map-mask",
+			       (char *) &vdev_intmask,
+			       sizeof(vdev_intmask));
+	if (err <= 0) {
+		prom_printf("SUN4V: Fatal error, no vdev "
+			    "interrupt-map-mask.\n");
+		prom_halt();
+	}
+	if (err % sizeof(vdev_intmask)) {
+		prom_printf("SUN4V: Bogus interrupt-map-mask "
+			    "property size %d\n", err);
+		prom_halt();
+	}
+
+	printk("SUN4V: virtual-devices devhandle[%x]\n",
+	       sun4v_vdev_devhandle);
+}
+
+unsigned int sun4v_vdev_device_interrupt(unsigned int dev_node)
+{
+	unsigned int irq, reg;
+	int err, i;
+
+	err = prom_getproperty(dev_node, "interrupts",
+			       (char *) &irq, sizeof(irq));
+	if (err <= 0) {
+		printk("VDEV: Cannot get \"interrupts\" "
+		       "property for OBP node %x\n", dev_node);
+		return 0;
+	}
+
+	err = prom_getproperty(dev_node, "reg",
+			       (char *) &reg, sizeof(reg));
+	if (err <= 0) {
+		printk("VDEV: Cannot get \"reg\" "
+		       "property for OBP node %x\n", dev_node);
+		return 0;
+	}
+
+	for (i = 0; i < vdev_num_intmap; i++) {
+		if (vdev_intmap[i].phys == (reg & vdev_intmask.phys) &&
+		    vdev_intmap[i].irq == (irq & vdev_intmask.interrupt)) {
+			irq = vdev_intmap[i].cinterrupt;
+			break;
+		}
+	}
+
+	if (i == vdev_num_intmap) {
+		printk("VDEV: No matching interrupt map entry "
+		       "for OBP node %x\n", dev_node);
+		return 0;
+	}
+
+	return sun4v_build_irq(sun4v_vdev_devhandle, irq, 5, 0);
+}
+
+static const char *cpu_mid_prop(void)
 {
 	if (tlb_type == spitfire)
 		return "upa-portid";
 	return "portid";
 }
 
+static int get_cpu_mid(int prom_node)
+{
+	if (tlb_type == hypervisor) {
+		struct linux_prom64_registers reg;
+
+		if (prom_getproplen(prom_node, "cpuid") == 4)
+			return prom_getintdefault(prom_node, "cpuid", 0);
+
+		prom_getproperty(prom_node, "reg", (char *) &reg, sizeof(reg));
+		return (reg.phys_addr >> 32) & 0x0fffffffUL;
+	} else {
+		const char *prop_name = cpu_mid_prop();
+
+		return prom_getintdefault(prom_node, prop_name, 0);
+	}
+}
+
 static int check_cpu_node(int nd, int *cur_inst,
 			  int (*compare)(int, int, void *), void *compare_arg,
 			  int *prom_node, int *mid)
@@ -50,7 +198,7 @@ static int check_cpu_node(int nd, int *cur_inst,
 		if (prom_node)
 			*prom_node = nd;
 		if (mid)
-			*mid = prom_getintdefault(nd, cpu_mid_prop(), 0);
+			*mid = get_cpu_mid(nd);
 		return 0;
 	}
 
@@ -105,7 +253,7 @@ static int cpu_mid_compare(int nd, int instance, void *_arg)
 	int desired_mid = (int) (long) _arg;
 	int this_mid;
 
-	this_mid = prom_getintdefault(nd, cpu_mid_prop(), 0);
+	this_mid = get_cpu_mid(nd);
 	if (this_mid == desired_mid)
 		return 0;
 	return -ENODEV;
@@ -126,7 +274,8 @@ void __init device_scan(void)
 
 #ifndef CONFIG_SMP
 	{
-		int err, cpu_node;
+		int err, cpu_node, def;
+
 		err = cpu_find_by_instance(0, &cpu_node, NULL);
 		if (err) {
 			prom_printf("No cpu nodes, cannot continue\n");
@@ -135,21 +284,40 @@ void __init device_scan(void)
 		cpu_data(0).clock_tick = prom_getintdefault(cpu_node,
 							    "clock-frequency",
 							    0);
+
+		def = ((tlb_type == hypervisor) ?
+		       (8 * 1024) :
+		       (16 * 1024));
 		cpu_data(0).dcache_size = prom_getintdefault(cpu_node,
 							     "dcache-size",
-							     16 * 1024);
+							     def);
+
+		def = 32;
 		cpu_data(0).dcache_line_size =
-			prom_getintdefault(cpu_node, "dcache-line-size", 32);
+			prom_getintdefault(cpu_node, "dcache-line-size",
+					   def);
+
+		def = 16 * 1024;
 		cpu_data(0).icache_size = prom_getintdefault(cpu_node,
 							     "icache-size",
-							     16 * 1024);
+							     def);
+
+		def = 32;
 		cpu_data(0).icache_line_size =
-			prom_getintdefault(cpu_node, "icache-line-size", 32);
+			prom_getintdefault(cpu_node, "icache-line-size",
+					   def);
+
+		def = ((tlb_type == hypervisor) ?
+		       (3 * 1024 * 1024) :
+		       (4 * 1024 * 1024));
 		cpu_data(0).ecache_size = prom_getintdefault(cpu_node,
 							     "ecache-size",
-							     4 * 1024 * 1024);
+							     def);
+
+		def = 64;
 		cpu_data(0).ecache_line_size =
-			prom_getintdefault(cpu_node, "ecache-line-size", 64);
+			prom_getintdefault(cpu_node, "ecache-line-size",
+					   def);
 		printk("CPU[0]: Caches "
 		       "D[sz(%d):line_sz(%d)] "
 		       "I[sz(%d):line_sz(%d)] "
@@ -160,6 +328,7 @@ void __init device_scan(void)
 	}
 #endif
 
+	sun4v_virtual_device_probe();
 	central_probe();
 
 	cpu_probe();

arch/sparc64/kernel/dtlb_backend.S

View before deletion

diff --git a/arch/sparc64/kernel/dtlb_backend.S b/arch/sparc64/kernel/dtlb_backend.S
deleted file mode 100644
index acc889a..0000000
--- a/arch/sparc64/kernel/dtlb_backend.S
+++ /dev/null
@@ -1,170 +0,0 @@

This diff is incomplete. Download the complete patch.