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

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc32: Delete prom_stdin and prom_stdout.
  sparc32: More memory probing consolidation.
  sparc32: Kill totally unused memory information tables.
  sparc64: Fix syscall restart, for real...
  serial: Fix sparc driver name strings.
  sparc64: Stop creating dummy root PCI host controller devices.
This commit is contained in:
Linus Torvalds 2008-05-03 10:05:11 -07:00
commit bf640be423
16 changed files with 119 additions and 386 deletions
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5
arch/sparc/kernel/setup.c
View File

@ -180,11 +180,9 @@ static void __init boot_flags_init(char *commands)
/* This routine will in the future do all the nasty prom stuff
* to probe for the mmu type and its parameters, etc. This will
* also be where SMP things happen plus the Sparc specific memory
* physical memory probe as on the alpha.
* also be where SMP things happen.
*/
extern int prom_probe_memory(void);
extern void sun4c_probe_vac(void);
extern char cputypval;
extern unsigned long start, end;
@ -268,7 +266,6 @@ void __init setup_arch(char **cmdline_p)
if (ARCH_SUN4C_SUN4)
sun4c_probe_vac();
load_mmu();
(void) prom_probe_memory();
phys_base = 0xffffffffUL;
highest_paddr = 0UL;

61
arch/sparc/mm/fault.c
View File

@ -47,64 +47,15 @@ int vac_size, vac_linesize, vac_do_hw_vac_flushes;
int vac_entries_per_context, vac_entries_per_segment;
int vac_entries_per_page;
/* Nice, simple, prom library does all the sweating for us. ;) */
int prom_probe_memory (void)
/* Return how much physical memory we have. */
unsigned long probe_memory(void)
{
register struct linux_mlist_v0 *mlist;
register unsigned long bytes, base_paddr, tally;
register int i;
unsigned long total = 0;
int i;
i = 0;
mlist= *prom_meminfo()->v0_available;
bytes = tally = mlist->num_bytes;
base_paddr = (unsigned long) mlist->start_adr;
sp_banks[0].base_addr = base_paddr;
sp_banks[0].num_bytes = bytes;
for (i = 0; sp_banks[i].num_bytes; i++)
total += sp_banks[i].num_bytes;
while (mlist->theres_more != (void *) 0){
i++;
mlist = mlist->theres_more;
bytes = mlist->num_bytes;
tally += bytes;
if (i > SPARC_PHYS_BANKS-1) {
printk ("The machine has more banks than "
"this kernel can support\n"
"Increase the SPARC_PHYS_BANKS "
"setting (currently %d)\n",
SPARC_PHYS_BANKS);
i = SPARC_PHYS_BANKS-1;
break;
}
sp_banks[i].base_addr = (unsigned long) mlist->start_adr;
sp_banks[i].num_bytes = mlist->num_bytes;
}
i++;
sp_banks[i].base_addr = 0xdeadbeef;
sp_banks[i].num_bytes = 0;
/* Now mask all bank sizes on a page boundary, it is all we can
* use anyways.
*/
for(i=0; sp_banks[i].num_bytes != 0; i++)
sp_banks[i].num_bytes &= PAGE_MASK;
return tally;
}
/* Traverse the memory lists in the prom to see how much physical we
* have.
*/
unsigned long
probe_memory(void)
{
int total;
total = prom_probe_memory();
/* Oh man, much nicer, keep the dirt in promlib. */
return total;
}

7
arch/sparc/prom/init.c
View File

@ -21,8 +21,6 @@ linux_sun4_romvec *sun4_romvec;
/* The root node of the prom device tree. */
int prom_root_node;
int prom_stdin, prom_stdout;
/* Pointer to the device tree operations structure. */
struct linux_nodeops *prom_nodeops;
@ -74,11 +72,6 @@ void __init prom_init(struct linux_romvec *rp)
(((unsigned long) prom_nodeops) == -1))
prom_halt();
if(prom_vers == PROM_V2 || prom_vers == PROM_V3) {
prom_stdout = *romvec->pv_v2bootargs.fd_stdout;
prom_stdin = *romvec->pv_v2bootargs.fd_stdin;
}
prom_meminit();
prom_ranges_init();

243
arch/sparc/prom/memory.c
View File

@ -1,215 +1,100 @@
/* $Id: memory.c,v 1.15 2000/01/29 01:09:12 anton Exp $
* memory.c: Prom routine for acquiring various bits of information
/* memory.c: Prom routine for acquiring various bits of information
* about RAM on the machine, both virtual and physical.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997 Michael A. Griffith (grif@acm.org)
*/
#include <linux/kernel.h>
#include <linux/sort.h>
#include <linux/init.h>
#include <asm/openprom.h>
#include <asm/sun4prom.h>
#include <asm/oplib.h>
#include <asm/page.h>
/* This routine, for consistency, returns the ram parameters in the
* V0 prom memory descriptor format. I choose this format because I
* think it was the easiest to work with. I feel the religious
* arguments now... ;) Also, I return the linked lists sorted to
* prevent paging_init() upset stomach as I have not yet written
* the pepto-bismol kernel module yet.
*/
struct linux_prom_registers prom_reg_memlist[64];
struct linux_prom_registers prom_reg_tmp[64];
struct linux_mlist_v0 prom_phys_total[64];
struct linux_mlist_v0 prom_prom_taken[64];
struct linux_mlist_v0 prom_phys_avail[64];
struct linux_mlist_v0 *prom_ptot_ptr = prom_phys_total;
struct linux_mlist_v0 *prom_ptak_ptr = prom_prom_taken;
struct linux_mlist_v0 *prom_pavl_ptr = prom_phys_avail;
struct linux_mem_v0 prom_memlist;
/* Internal Prom library routine to sort a linux_mlist_v0 memory
* list. Used below in initialization.
*/
static void __init
prom_sortmemlist(struct linux_mlist_v0 *thislist)
static int __init prom_meminit_v0(void)
{
int swapi = 0;
int i, mitr, tmpsize;
char *tmpaddr;
char *lowest;
struct linux_mlist_v0 *p;
int index;
for(i=0; thislist[i].theres_more; i++) {
lowest = thislist[i].start_adr;
for(mitr = i+1; thislist[mitr-1].theres_more; mitr++)
if(thislist[mitr].start_adr < lowest) {
lowest = thislist[mitr].start_adr;
swapi = mitr;
}
if(lowest == thislist[i].start_adr) continue;
tmpaddr = thislist[swapi].start_adr;
tmpsize = thislist[swapi].num_bytes;
for(mitr = swapi; mitr > i; mitr--) {
thislist[mitr].start_adr = thislist[mitr-1].start_adr;
thislist[mitr].num_bytes = thislist[mitr-1].num_bytes;
}
thislist[i].start_adr = tmpaddr;
thislist[i].num_bytes = tmpsize;
index = 0;
for (p = *(romvec->pv_v0mem.v0_available); p; p = p->theres_more) {
sp_banks[index].base_addr = (unsigned long) p->start_adr;
sp_banks[index].num_bytes = p->num_bytes;
index++;
}
return;
return index;
}
static int __init prom_meminit_v2(void)
{
struct linux_prom_registers reg[64];
int node, size, num_ents, i;
node = prom_searchsiblings(prom_getchild(prom_root_node), "memory");
size = prom_getproperty(node, "available", (char *) reg, sizeof(reg));
num_ents = size / sizeof(struct linux_prom_registers);
for (i = 0; i < num_ents; i++) {
sp_banks[i].base_addr = reg[i].phys_addr;
sp_banks[i].num_bytes = reg[i].reg_size;
}
return num_ents;
}
static int __init prom_meminit_sun4(void)
{
#ifdef CONFIG_SUN4
sp_banks[0].base_addr = 0;
sp_banks[0].num_bytes = *(sun4_romvec->memoryavail);
#endif
return 1;
}
static int sp_banks_cmp(const void *a, const void *b)
{
const struct sparc_phys_banks *x = a, *y = b;
if (x->base_addr > y->base_addr)
return 1;
if (x->base_addr < y->base_addr)
return -1;
return 0;
}
/* Initialize the memory lists based upon the prom version. */
void __init prom_meminit(void)
{
int node = 0;
unsigned int iter, num_regs;
struct linux_mlist_v0 *mptr; /* ptr for traversal */
int i, num_ents = 0;
switch(prom_vers) {
switch (prom_vers) {
case PROM_V0:
/* Nice, kind of easier to do in this case. */
/* First, the total physical descriptors. */
for(mptr = (*(romvec->pv_v0mem.v0_totphys)), iter=0;
mptr; mptr=mptr->theres_more, iter++) {
prom_phys_total[iter].start_adr = mptr->start_adr;
prom_phys_total[iter].num_bytes = mptr->num_bytes;
prom_phys_total[iter].theres_more = &prom_phys_total[iter+1];
}
prom_phys_total[iter-1].theres_more = NULL;
/* Second, the total prom taken descriptors. */
for(mptr = (*(romvec->pv_v0mem.v0_prommap)), iter=0;
mptr; mptr=mptr->theres_more, iter++) {
prom_prom_taken[iter].start_adr = mptr->start_adr;
prom_prom_taken[iter].num_bytes = mptr->num_bytes;
prom_prom_taken[iter].theres_more = &prom_prom_taken[iter+1];
}
prom_prom_taken[iter-1].theres_more = NULL;
/* Last, the available physical descriptors. */
for(mptr = (*(romvec->pv_v0mem.v0_available)), iter=0;
mptr; mptr=mptr->theres_more, iter++) {
prom_phys_avail[iter].start_adr = mptr->start_adr;
prom_phys_avail[iter].num_bytes = mptr->num_bytes;
prom_phys_avail[iter].theres_more = &prom_phys_avail[iter+1];
}
prom_phys_avail[iter-1].theres_more = NULL;
/* Sort all the lists. */
prom_sortmemlist(prom_phys_total);
prom_sortmemlist(prom_prom_taken);
prom_sortmemlist(prom_phys_avail);
num_ents = prom_meminit_v0();
break;
case PROM_V2:
case PROM_V3:
/* Grrr, have to traverse the prom device tree ;( */
node = prom_getchild(prom_root_node);
node = prom_searchsiblings(node, "memory");
num_regs = prom_getproperty(node, "available",
(char *) prom_reg_memlist,
sizeof(prom_reg_memlist));
num_regs = (num_regs/sizeof(struct linux_prom_registers));
for(iter=0; iter<num_regs; iter++) {
prom_phys_avail[iter].start_adr =
(char *) prom_reg_memlist[iter].phys_addr;
prom_phys_avail[iter].num_bytes =
(unsigned long) prom_reg_memlist[iter].reg_size;
prom_phys_avail[iter].theres_more =
&prom_phys_avail[iter+1];
}
prom_phys_avail[iter-1].theres_more = NULL;
num_regs = prom_getproperty(node, "reg",
(char *) prom_reg_memlist,
sizeof(prom_reg_memlist));
num_regs = (num_regs/sizeof(struct linux_prom_registers));
for(iter=0; iter<num_regs; iter++) {
prom_phys_total[iter].start_adr =
(char *) prom_reg_memlist[iter].phys_addr;
prom_phys_total[iter].num_bytes =
(unsigned long) prom_reg_memlist[iter].reg_size;
prom_phys_total[iter].theres_more =
&prom_phys_total[iter+1];
}
prom_phys_total[iter-1].theres_more = NULL;
node = prom_getchild(prom_root_node);
node = prom_searchsiblings(node, "virtual-memory");
num_regs = prom_getproperty(node, "available",
(char *) prom_reg_memlist,
sizeof(prom_reg_memlist));
num_regs = (num_regs/sizeof(struct linux_prom_registers));
/* Convert available virtual areas to taken virtual
* areas. First sort, then convert.
*/
for(iter=0; iter<num_regs; iter++) {
prom_prom_taken[iter].start_adr =
(char *) prom_reg_memlist[iter].phys_addr;
prom_prom_taken[iter].num_bytes =
(unsigned long) prom_reg_memlist[iter].reg_size;
prom_prom_taken[iter].theres_more =
&prom_prom_taken[iter+1];
}
prom_prom_taken[iter-1].theres_more = NULL;
prom_sortmemlist(prom_prom_taken);
/* Finally, convert. */
for(iter=0; iter<num_regs; iter++) {
prom_prom_taken[iter].start_adr =
prom_prom_taken[iter].start_adr +
prom_prom_taken[iter].num_bytes;
prom_prom_taken[iter].num_bytes =
prom_prom_taken[iter+1].start_adr -
prom_prom_taken[iter].start_adr;
}
prom_prom_taken[iter-1].num_bytes =
0xffffffff - (unsigned long) prom_prom_taken[iter-1].start_adr;
/* Sort the other two lists. */
prom_sortmemlist(prom_phys_total);
prom_sortmemlist(prom_phys_avail);
num_ents = prom_meminit_v2();
break;
case PROM_SUN4:
#ifdef CONFIG_SUN4
/* how simple :) */
prom_phys_total[0].start_adr = NULL;
prom_phys_total[0].num_bytes = *(sun4_romvec->memorysize);
prom_phys_total[0].theres_more = NULL;
prom_prom_taken[0].start_adr = NULL;
prom_prom_taken[0].num_bytes = 0x0;
prom_prom_taken[0].theres_more = NULL;
prom_phys_avail[0].start_adr = NULL;
prom_phys_avail[0].num_bytes = *(sun4_romvec->memoryavail);
prom_phys_avail[0].theres_more = NULL;
#endif
num_ents = prom_meminit_sun4();
break;
default:
break;
};
}
sort(sp_banks, num_ents, sizeof(struct sparc_phys_banks),
sp_banks_cmp, NULL);
/* Link all the lists into the top-level descriptor. */
prom_memlist.v0_totphys=&prom_ptot_ptr;
prom_memlist.v0_prommap=&prom_ptak_ptr;
prom_memlist.v0_available=&prom_pavl_ptr;
/* Sentinel. */
sp_banks[num_ents].base_addr = 0xdeadbeef;
sp_banks[num_ents].num_bytes = 0;
return;
}
/* This returns a pointer to our libraries internal v0 format
* memory descriptor.
*/
struct linux_mem_v0 *
prom_meminfo(void)
{
return &prom_memlist;
for (i = 0; i < num_ents; i++)
sp_banks[i].num_bytes &= PAGE_MASK;
}

126
arch/sparc64/kernel/pci.c
View File

@ -350,8 +350,7 @@ static void pci_parse_of_addrs(struct of_device *op,
struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
struct device_node *node,
struct pci_bus *bus, int devfn,
int host_controller)
struct pci_bus *bus, int devfn)
{
struct dev_archdata *sd;
struct pci_dev *dev;
@ -390,43 +389,28 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
dev->devfn = devfn;
dev->multifunction = 0; /* maybe a lie? */
if (host_controller) {
if (tlb_type != hypervisor) {
pci_read_config_word(dev, PCI_VENDOR_ID,
&dev->vendor);
pci_read_config_word(dev, PCI_DEVICE_ID,
&dev->device);
} else {
dev->vendor = PCI_VENDOR_ID_SUN;
dev->device = 0x80f0;
}
dev->cfg_size = 256;
dev->class = PCI_CLASS_BRIDGE_HOST << 8;
sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
0x00, PCI_SLOT(devfn), PCI_FUNC(devfn));
} else {
dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff);
dev->device = of_getintprop_default(node, "device-id", 0xffff);
dev->subsystem_vendor =
of_getintprop_default(node, "subsystem-vendor-id", 0);
dev->subsystem_device =
of_getintprop_default(node, "subsystem-id", 0);
dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff);
dev->device = of_getintprop_default(node, "device-id", 0xffff);
dev->subsystem_vendor =
of_getintprop_default(node, "subsystem-vendor-id", 0);
dev->subsystem_device =
of_getintprop_default(node, "subsystem-id", 0);
dev->cfg_size = pci_cfg_space_size(dev);
dev->cfg_size = pci_cfg_space_size(dev);
/* We can't actually use the firmware value, we have
* to read what is in the register right now. One
* reason is that in the case of IDE interfaces the
* firmware can sample the value before the the IDE
* interface is programmed into native mode.
*/
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class);
dev->class = class >> 8;
dev->revision = class & 0xff;
/* We can't actually use the firmware value, we have
* to read what is in the register right now. One
* reason is that in the case of IDE interfaces the
* firmware can sample the value before the the IDE
* interface is programmed into native mode.
*/
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class);
dev->class = class >> 8;
dev->revision = class & 0xff;
sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
}
if (ofpci_verbose)
printk(" class: 0x%x device name: %s\n",
dev->class, pci_name(dev));
@ -441,26 +425,21 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
dev->current_state = 4; /* unknown power state */
dev->error_state = pci_channel_io_normal;
if (host_controller) {
if (!strcmp(type, "pci") || !strcmp(type, "pciex")) {
/* a PCI-PCI bridge */
dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;
dev->rom_base_reg = PCI_ROM_ADDRESS1;
dev->irq = PCI_IRQ_NONE;
} else if (!strcmp(type, "cardbus")) {
dev->hdr_type = PCI_HEADER_TYPE_CARDBUS;
} else {
if (!strcmp(type, "pci") || !strcmp(type, "pciex")) {
/* a PCI-PCI bridge */
dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;
dev->rom_base_reg = PCI_ROM_ADDRESS1;
} else if (!strcmp(type, "cardbus")) {
dev->hdr_type = PCI_HEADER_TYPE_CARDBUS;
} else {
dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
dev->rom_base_reg = PCI_ROM_ADDRESS;
dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
dev->rom_base_reg = PCI_ROM_ADDRESS;
dev->irq = sd->op->irqs[0];
if (dev->irq == 0xffffffff)
dev->irq = PCI_IRQ_NONE;
}
dev->irq = sd->op->irqs[0];
if (dev->irq == 0xffffffff)
dev->irq = PCI_IRQ_NONE;
}
pci_parse_of_addrs(sd->op, node, dev);
if (ofpci_verbose)
@ -749,7 +728,7 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
prev_devfn = devfn;
/* create a new pci_dev for this device */
dev = of_create_pci_dev(pbm, child, bus, devfn, 0);
dev = of_create_pci_dev(pbm, child, bus, devfn);
if (!dev)
continue;
if (ofpci_verbose)
@ -796,48 +775,9 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus)
pci_bus_register_of_sysfs(child_bus);
}
int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 *value)
{
static u8 fake_pci_config[] = {
0x8e, 0x10, /* Vendor: 0x108e (Sun) */
0xf0, 0x80, /* Device: 0x80f0 (Fire) */
0x46, 0x01, /* Command: 0x0146 (SERR, PARITY, MASTER, MEM) */
0xa0, 0x22, /* Status: 0x02a0 (DEVSEL_MED, FB2B, 66MHZ) */
0x00, 0x00, 0x00, 0x06, /* Class: 0x06000000 host bridge */
0x00, /* Cacheline: 0x00 */
0x40, /* Latency: 0x40 */
0x00, /* Header-Type: 0x00 normal */
};
*value = 0;
if (where >= 0 && where < sizeof(fake_pci_config) &&
(where + size) >= 0 &&
(where + size) < sizeof(fake_pci_config) &&
size <= sizeof(u32)) {
while (size--) {
*value <<= 8;
*value |= fake_pci_config[where + size];
}
}
return PCIBIOS_SUCCESSFUL;
}
int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 value)
{
return PCIBIOS_SUCCESSFUL;
}
struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm)
{
struct device_node *node = pbm->prom_node;
struct pci_dev *host_pdev;
struct pci_bus *bus;
printk("PCI: Scanning PBM %s\n", node->full_name);
@ -855,10 +795,6 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm)
bus->resource[0] = &pbm->io_space;
bus->resource[1] = &pbm->mem_space;
/* Create the dummy host bridge and link it in. */
host_pdev = of_create_pci_dev(pbm, node, bus, 0x00, 1);
bus->self = host_pdev;
pci_of_scan_bus(pbm, node, bus);
pci_bus_add_devices(bus);
pci_bus_register_of_sysfs(bus);

6
arch/sparc64/kernel/pci_common.c
View File

@ -264,9 +264,6 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
if (!bus && devfn == 0x00)
return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
size, value);
if (config_out_of_range(pbm, bus, devfn, where)) {
ret = ~0UL;
} else {
@ -300,9 +297,6 @@ static int sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
if (!bus && devfn == 0x00)
return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
size, value);
if (config_out_of_range(pbm, bus, devfn, where)) {
/* Do nothing. */
} else {

9
arch/sparc64/kernel/pci_impl.h
View File

@ -167,15 +167,6 @@ extern void pci_get_pbm_props(struct pci_pbm_info *pbm);
extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm);
extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
extern int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 *value);
extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 value);
/* Error reporting support. */
extern void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *);
extern void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *);

6
arch/sparc64/kernel/process.c
View File

@ -591,12 +591,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
if (clone_flags & CLONE_SETTLS)
t->kregs->u_regs[UREG_G7] = regs->u_regs[UREG_I3];
/* We do not want to accidently trigger system call restart
* handling in the new thread. Therefore, clear out the trap
* type, which will make pt_regs_regs_is_syscall() return false.
*/
pt_regs_clear_trap_type(t->kregs);
return 0;
}

6
arch/sparc64/kernel/signal.c
View File

@ -332,6 +332,9 @@ void do_rt_sigreturn(struct pt_regs *regs)
regs->tpc = tpc;
regs->tnpc = tnpc;
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = set;
@ -515,7 +518,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
siginfo_t info;
int signr;
if (pt_regs_is_syscall(regs)) {
if (pt_regs_is_syscall(regs) &&
(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
pt_regs_clear_trap_type(regs);
cookie.restart_syscall = 1;
} else

6
arch/sparc64/kernel/signal32.c
View File

@ -268,6 +268,9 @@ void do_sigreturn32(struct pt_regs *regs)
regs->tstate &= ~(TSTATE_ICC|TSTATE_XCC);
regs->tstate |= psr_to_tstate_icc(psr);
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
err |= restore_fpu_state32(regs, &sf->fpu_state);
@ -351,6 +354,9 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
regs->tstate &= ~(TSTATE_ICC|TSTATE_XCC);
regs->tstate |= psr_to_tstate_icc(psr);
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
err |= restore_fpu_state32(regs, &sf->fpu_state);

2
drivers/serial/sunhv.c
View File

@ -392,7 +392,7 @@ static struct uart_ops sunhv_pops = {
static struct uart_driver sunhv_reg = {
.owner = THIS_MODULE,
.driver_name = "serial",
.driver_name = "sunhv",
.dev_name = "ttyS",
.major = TTY_MAJOR,
};

2
drivers/serial/sunsab.c
View File

@ -826,7 +826,7 @@ static struct uart_ops sunsab_pops = {
static struct uart_driver sunsab_reg = {
.owner = THIS_MODULE,
.driver_name = "serial",
.driver_name = "sunsab",
.dev_name = "ttyS",
.major = TTY_MAJOR,
};

2
drivers/serial/sunsu.c
View File

@ -1173,7 +1173,7 @@ static void sunsu_autoconfig(struct uart_sunsu_port *up)
static struct uart_driver sunsu_reg = {
.owner = THIS_MODULE,
.driver_name = "serial",
.driver_name = "sunsu",
.dev_name = "ttyS",
.major = TTY_MAJOR,
};

2
drivers/serial/sunzilog.c
View File

@ -1023,7 +1023,7 @@ static struct uart_sunzilog_port *sunzilog_irq_chain;
static struct uart_driver sunzilog_reg = {
.owner = THIS_MODULE,
.driver_name = "ttyS",
.driver_name = "sunzilog",
.dev_name = "ttyS",
.major = TTY_MAJOR,
};

17
include/asm-sparc/oplib.h
View File

@ -34,9 +34,6 @@ extern unsigned int prom_rev, prom_prev;
*/
extern int prom_root_node;
/* PROM stdin and stdout */
extern int prom_stdin, prom_stdout;
/* Pointer to prom structure containing the device tree traversal
* and usage utility functions. Only prom-lib should use these,
* users use the interface defined by the library only!
@ -84,20 +81,6 @@ extern int prom_devclose(int device_handle);
extern void prom_seek(int device_handle, unsigned int seek_hival,
unsigned int seek_lowval);
/* Machine memory configuration routine. */
/* This function returns a V0 format memory descriptor table, it has three
* entries. One for the total amount of physical ram on the machine, one
* for the amount of physical ram available, and one describing the virtual
* areas which are allocated by the prom. So, in a sense the physical
* available is a calculation of the total physical minus the physical mapped
* by the prom with virtual mappings.
*
* These lists are returned pre-sorted, this should make your life easier
* since the prom itself is way too lazy to do such nice things.
*/
extern struct linux_mem_v0 *prom_meminfo(void);
/* Miscellaneous routines, don't really fit in any category per se. */
/* Reboot the machine with the command line passed. */

5
include/asm-sparc/page.h
View File

@ -38,12 +38,11 @@
/* The following structure is used to hold the physical
* memory configuration of the machine. This is filled in
* probe_memory() and is later used by mem_init() to set up
* mem_map[]. We statically allocate SPARC_PHYS_BANKS of
* prom_meminit() and is later used by mem_init() to set up
* mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of
* these structs, this is arbitrary. The entry after the
* last valid one has num_bytes==0.
*/
struct sparc_phys_banks {
unsigned long base_addr;
unsigned long num_bytes;