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-rw-r--r--arch/parisc/kernel/drivers.c3
-rw-r--r--arch/parisc/kernel/parisc_ksyms.c3
-rw-r--r--arch/parisc/kernel/pci.c13
-rw-r--r--arch/parisc/kernel/perf.c38
-rw-r--r--arch/parisc/kernel/perf_images.h4
-rw-r--r--arch/parisc/kernel/process.c35
-rw-r--r--arch/parisc/kernel/ptrace.c8
-rw-r--r--arch/parisc/kernel/signal.c2
-rw-r--r--arch/parisc/kernel/signal32.c102
-rw-r--r--arch/parisc/kernel/signal32.h127
-rw-r--r--arch/parisc/kernel/syscall.S2
-rw-r--r--arch/parisc/kernel/syscall_table.S19
-rw-r--r--arch/parisc/kernel/traps.c3
13 files changed, 287 insertions, 72 deletions
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 2d804e2d16d..3d569a485a1 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -408,11 +408,10 @@ static void setup_bus_id(struct parisc_device *padev)
struct parisc_device * create_tree_node(char id, struct device *parent)
{
- struct parisc_device *dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+ struct parisc_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
- memset(dev, 0, sizeof(*dev));
dev->hw_path = id;
dev->id.hw_type = HPHW_FAULTY;
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index f40a777dd38..1d00c365f2b 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -48,9 +48,6 @@ EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strpbrk);
-#include <linux/pm.h>
-EXPORT_SYMBOL(pm_power_off);
-
#include <asm/atomic.h>
EXPORT_SYMBOL(__xchg8);
EXPORT_SYMBOL(__xchg32);
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 88cba49c530..79c7db2705f 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -47,18 +47,17 @@
* this makes the boot time much longer than necessary.
* 20ms seems to work for all the HP PCI implementations to date.
*
- * XXX: turn into a #defined constant in <asm/pci.h> ?
+ * #define pci_post_reset_delay 50
*/
-int pci_post_reset_delay = 50;
-struct pci_port_ops *pci_port;
-struct pci_bios_ops *pci_bios;
+struct pci_port_ops *pci_port __read_mostly;
+struct pci_bios_ops *pci_bios __read_mostly;
-int pci_hba_count = 0;
+static int pci_hba_count __read_mostly;
/* parisc_pci_hba used by pci_port->in/out() ops to lookup bus data. */
#define PCI_HBA_MAX 32
-struct pci_hba_data *parisc_pci_hba[PCI_HBA_MAX];
+static struct pci_hba_data *parisc_pci_hba[PCI_HBA_MAX] __read_mostly;
/********************************************************************
@@ -259,8 +258,10 @@ void __devinit pcibios_resource_to_bus(struct pci_dev *dev,
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
+#ifdef CONFIG_64BIT
struct pci_bus *bus = dev->bus;
struct pci_hba_data *hba = HBA_DATA(bus->bridge->platform_data);
+#endif
if (res->flags & IORESOURCE_MEM) {
res->start = PCI_HOST_ADDR(hba, region->start);
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 11d406cd0b3..53f861c82f9 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -68,20 +68,20 @@ struct rdr_tbl_ent {
};
static int perf_processor_interface __read_mostly = UNKNOWN_INTF;
-static int perf_enabled __read_mostly = 0;
+static int perf_enabled __read_mostly;
static spinlock_t perf_lock;
-struct parisc_device *cpu_device __read_mostly = NULL;
+struct parisc_device *cpu_device __read_mostly;
/* RDRs to write for PCX-W */
-static int perf_rdrs_W[] =
+static const int perf_rdrs_W[] =
{ 0, 1, 4, 5, 6, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, -1 };
/* RDRs to write for PCX-U */
-static int perf_rdrs_U[] =
+static const int perf_rdrs_U[] =
{ 0, 1, 4, 5, 6, 7, 16, 17, 18, 20, 21, 22, 23, 24, 25, -1 };
/* RDR register descriptions for PCX-W */
-static struct rdr_tbl_ent perf_rdr_tbl_W[] = {
+static const struct rdr_tbl_ent perf_rdr_tbl_W[] = {
{ 19, 1, 8 }, /* RDR 0 */
{ 16, 1, 16 }, /* RDR 1 */
{ 72, 2, 0 }, /* RDR 2 */
@@ -117,7 +117,7 @@ static struct rdr_tbl_ent perf_rdr_tbl_W[] = {
};
/* RDR register descriptions for PCX-U */
-static struct rdr_tbl_ent perf_rdr_tbl_U[] = {
+static const struct rdr_tbl_ent perf_rdr_tbl_U[] = {
{ 19, 1, 8 }, /* RDR 0 */
{ 32, 1, 16 }, /* RDR 1 */
{ 20, 1, 0 }, /* RDR 2 */
@@ -156,7 +156,7 @@ static struct rdr_tbl_ent perf_rdr_tbl_U[] = {
* A non-zero write_control in the above tables is a byte offset into
* this array.
*/
-static uint64_t perf_bitmasks[] = {
+static const uint64_t perf_bitmasks[] = {
0x0000000000000000ul, /* first dbl word must be zero */
0xfdffe00000000000ul, /* RDR0 bitmask */
0x003f000000000000ul, /* RDR1 bitmask */
@@ -173,7 +173,7 @@ static uint64_t perf_bitmasks[] = {
* Write control bitmasks for Pa-8700 processor given
* somethings have changed slightly.
*/
-static uint64_t perf_bitmasks_piranha[] = {
+static const uint64_t perf_bitmasks_piranha[] = {
0x0000000000000000ul, /* first dbl word must be zero */
0xfdffe00000000000ul, /* RDR0 bitmask */
0x003f000000000000ul, /* RDR1 bitmask */
@@ -186,7 +186,7 @@ static uint64_t perf_bitmasks_piranha[] = {
0xfffc000000000000ul
};
-static uint64_t *bitmask_array; /* array of bitmasks to use */
+static const uint64_t *bitmask_array; /* array of bitmasks to use */
/******************************************************************************
* Function Prototypes
@@ -200,7 +200,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf, size_t coun
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static void perf_start_counters(void);
static int perf_stop_counters(uint32_t *raddr);
-static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
+static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer);
static int perf_rdr_clear(uint32_t rdr_num);
static int perf_write_image(uint64_t *memaddr);
@@ -444,7 +444,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
uint32_t raddr[4];
int error = 0;
- lock_kernel();
switch (cmd) {
case PA_PERF_ON:
@@ -477,8 +476,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
error = -ENOTTY;
}
- unlock_kernel();
-
return error;
}
@@ -655,7 +652,7 @@ static int perf_stop_counters(uint32_t *raddr)
* Retrieve a pointer to the description of what this
* RDR contains.
*/
-static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num)
+static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num)
{
if (perf_processor_interface == ONYX_INTF) {
return &perf_rdr_tbl_U[rdr_num];
@@ -673,7 +670,7 @@ static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer)
{
uint64_t data, data_mask = 0;
uint32_t width, xbits, i;
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
tentry = perf_rdr_get_entry(rdr_num);
if ((width = tentry->width) == 0)
@@ -721,7 +718,7 @@ static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer)
*/
static int perf_rdr_clear(uint32_t rdr_num)
{
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int32_t i;
tentry = perf_rdr_get_entry(rdr_num);
@@ -753,10 +750,11 @@ static int perf_write_image(uint64_t *memaddr)
uint64_t buffer[MAX_RDR_WORDS];
uint64_t *bptr;
uint32_t dwords;
- uint32_t *intrigue_rdr;
- uint64_t *intrigue_bitmask, tmp64;
+ const uint32_t *intrigue_rdr;
+ const uint64_t *intrigue_bitmask;
+ uint64_t tmp64;
void __iomem *runway;
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int i;
/* Clear out counters */
@@ -830,7 +828,7 @@ static int perf_write_image(uint64_t *memaddr)
*/
static void perf_rdr_write(uint32_t rdr_num, uint64_t *buffer)
{
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int32_t i;
printk("perf_rdr_write\n");
diff --git a/arch/parisc/kernel/perf_images.h b/arch/parisc/kernel/perf_images.h
index d9562fe3f75..7fef9644df4 100644
--- a/arch/parisc/kernel/perf_images.h
+++ b/arch/parisc/kernel/perf_images.h
@@ -25,7 +25,7 @@
#define PCXU_IMAGE_SIZE 584
-static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] = {
+static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] __read_mostly = {
/*
* CPI:
*
@@ -2093,7 +2093,7 @@ static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] = {
};
#define PCXW_IMAGE_SIZE 576
-static uint32_t cuda_images[][PCXW_IMAGE_SIZE/sizeof(uint32_t)] = {
+static uint32_t cuda_images[][PCXW_IMAGE_SIZE/sizeof(uint32_t)] __read_mostly = {
/*
* CPI: FROM CPI.IDF (Image 0)
*
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 5da41677e70..e8dea417711 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -54,27 +54,6 @@
#include <asm/uaccess.h>
#include <asm/unwind.h>
-static int hlt_counter __read_mostly;
-
-/*
- * Power off function, if any
- */
-void (*pm_power_off)(void);
-
-void disable_hlt(void)
-{
- hlt_counter++;
-}
-
-EXPORT_SYMBOL(disable_hlt);
-
-void enable_hlt(void)
-{
- hlt_counter--;
-}
-
-EXPORT_SYMBOL(enable_hlt);
-
void default_idle(void)
{
barrier();
@@ -102,12 +81,7 @@ void cpu_idle(void)
}
-#ifdef __LP64__
-#define COMMAND_GLOBAL 0xfffffffffffe0030UL
-#else
-#define COMMAND_GLOBAL 0xfffe0030
-#endif
-
+#define COMMAND_GLOBAL F_EXTEND(0xfffe0030)
#define CMD_RESET 5 /* reset any module */
/*
@@ -162,6 +136,7 @@ void machine_halt(void)
*/
}
+void (*chassis_power_off)(void);
/*
* This routine is called from sys_reboot to actually turn off the
@@ -170,8 +145,8 @@ void machine_halt(void)
void machine_power_off(void)
{
/* If there is a registered power off handler, call it. */
- if(pm_power_off)
- pm_power_off();
+ if (chassis_power_off)
+ chassis_power_off();
/* Put the soft power button back under hardware control.
* If the user had already pressed the power button, the
@@ -187,6 +162,8 @@ void machine_power_off(void)
KERN_EMERG "Please power this system off now.");
}
+void (*pm_power_off)(void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
/*
* Create a kernel thread
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 27160e8bf15..413292f1a4a 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -91,7 +91,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
int copied;
#ifdef __LP64__
- if (is_compat_task(child)) {
+ if (personality(child->personality) == PER_LINUX32) {
unsigned int tmp;
addr &= 0xffffffffL;
@@ -123,7 +123,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_POKEDATA:
ret = 0;
#ifdef __LP64__
- if (is_compat_task(child)) {
+ if (personality(child->personality) == PER_LINUX32) {
unsigned int tmp = (unsigned int)data;
DBG("sys_ptrace(POKE%s, %d, %lx, %lx)\n",
request == PTRACE_POKETEXT ? "TEXT" : "DATA",
@@ -146,7 +146,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_PEEKUSR: {
ret = -EIO;
#ifdef __LP64__
- if (is_compat_task(child)) {
+ if (personality(child->personality) == PER_LINUX32) {
unsigned int tmp;
if (addr & (sizeof(int)-1))
@@ -205,7 +205,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
goto out_tsk;
}
#ifdef __LP64__
- if (is_compat_task(child)) {
+ if (personality(child->personality) == PER_LINUX32) {
if (addr & (sizeof(int)-1))
goto out_tsk;
if ((addr = translate_usr_offset(addr)) < 0)
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 3a25a7bd673..05767e83cf2 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -317,7 +317,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
if(personality(current->personality) == PER_LINUX32) {
DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &compat_frame->info);
- err |= compat_copy_siginfo_to_user(&compat_frame->info, info);
+ err |= copy_siginfo_to_user32(&compat_frame->info, info);
DBG(1,"SETUP_RT_FRAME: 1\n");
compat_val = (compat_int_t)current->sas_ss_sp;
err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_sp);
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 0792e20efef..a6b4231cafa 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -31,7 +31,6 @@
#include <linux/types.h>
#include <linux/errno.h>
-#include <asm/compat_signal.h>
#include <asm/uaccess.h>
#include "signal32.h"
@@ -398,3 +397,104 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
return err;
}
+
+int
+copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
+{
+ unsigned long tmp;
+ int err;
+
+ if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
+ return -EFAULT;
+
+ err = __get_user(to->si_signo, &from->si_signo);
+ err |= __get_user(to->si_errno, &from->si_errno);
+ err |= __get_user(to->si_code, &from->si_code);
+
+ if (to->si_code < 0)
+ err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
+ else {
+ switch (to->si_code >> 16) {
+ case __SI_CHLD >> 16:
+ err |= __get_user(to->si_utime, &from->si_utime);
+ err |= __get_user(to->si_stime, &from->si_stime);
+ err |= __get_user(to->si_status, &from->si_status);
+ default:
+ err |= __get_user(to->si_pid, &from->si_pid);
+ err |= __get_user(to->si_uid, &from->si_uid);
+ break;
+ case __SI_FAULT >> 16:
+ err |= __get_user(tmp, &from->si_addr);
+ to->si_addr = (void __user *) tmp;
+ break;
+ case __SI_POLL >> 16:
+ err |= __get_user(to->si_band, &from->si_band);
+ err |= __get_user(to->si_fd, &from->si_fd);
+ break;
+ case __SI_RT >> 16: /* This is not generated by the kernel as of now. */
+ case __SI_MESGQ >> 16:
+ err |= __get_user(to->si_pid, &from->si_pid);
+ err |= __get_user(to->si_uid, &from->si_uid);
+ err |= __get_user(to->si_int, &from->si_int);
+ break;
+ }
+ }
+ return err;
+}
+
+int
+copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
+{
+ unsigned int addr;
+ int err;
+
+ if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
+ return -EFAULT;
+
+ /* If you change siginfo_t structure, please be sure
+ this code is fixed accordingly.
+ It should never copy any pad contained in the structure
+ to avoid security leaks, but must copy the generic
+ 3 ints plus the relevant union member.
+ This routine must convert siginfo from 64bit to 32bit as well
+ at the same time. */
+ err = __put_user(from->si_signo, &to->si_signo);
+ err |= __put_user(from->si_errno, &to->si_errno);
+ err |= __put_user((short)from->si_code, &to->si_code);
+ if (from->si_code < 0)
+ err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
+ else {
+ switch (from->si_code >> 16) {
+ case __SI_CHLD >> 16:
+ err |= __put_user(from->si_utime, &to->si_utime);
+ err |= __put_user(from->si_stime, &to->si_stime);
+ err |= __put_user(from->si_status, &to->si_status);
+ default:
+ err |= __put_user(from->si_pid, &to->si_pid);
+ err |= __put_user(from->si_uid, &to->si_uid);
+ break;
+ case __SI_FAULT >> 16:
+ /* avoid type-checking warnings by copying _pad[0] in lieu of si_addr... */
+ err |= __put_user(from->_sifields._pad[0], &to->si_addr);
+ break;
+ case __SI_POLL >> 16:
+ err |= __put_user(from->si_band, &to->si_band);
+ err |= __put_user(from->si_fd, &to->si_fd);
+ break;
+ case __SI_TIMER >> 16:
+ err |= __put_user(from->si_tid, &to->si_tid);
+ err |= __put_user(from->si_overrun, &to->si_overrun);
+ addr = (unsigned long) from->si_ptr;
+ err |= __put_user(addr, &to->si_ptr);
+ break;
+ case __SI_RT >> 16: /* Not generated by the kernel as of now. */
+ case __SI_MESGQ >> 16:
+ err |= __put_user(from->si_uid, &to->si_uid);
+ err |= __put_user(from->si_pid, &to->si_pid);
+ addr = (unsigned long) from->si_ptr;
+ err |= __put_user(addr, &to->si_ptr);
+ break;
+ }
+ }
+ return err;
+}
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index 4d1569e717c..e39b38a67a8 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -20,8 +20,34 @@
#define _PARISC64_KERNEL_SIGNAL32_H
#include <linux/compat.h>
-#include <asm/compat_signal.h>
-#include <asm/compat_rt_sigframe.h>
+
+typedef compat_uptr_t compat_sighandler_t;
+
+typedef struct compat_sigaltstack {
+ compat_uptr_t ss_sp;
+ compat_int_t ss_flags;
+ compat_size_t ss_size;
+} compat_stack_t;
+
+/* Most things should be clean enough to redefine this at will, if care
+ is taken to make libc match. */
+
+struct compat_sigaction {
+ compat_sighandler_t sa_handler;
+ compat_uint_t sa_flags;
+ compat_sigset_t sa_mask; /* mask last for extensibility */
+};
+
+/* 32-bit ucontext as seen from an 64-bit kernel */
+struct compat_ucontext {
+ compat_uint_t uc_flags;
+ compat_uptr_t uc_link;
+ compat_stack_t uc_stack; /* struct compat_sigaltstack (12 bytes)*/
+ /* FIXME: Pad out to get uc_mcontext to start at an 8-byte aligned boundary */
+ compat_uint_t pad[1];
+ struct compat_sigcontext uc_mcontext;
+ compat_sigset_t uc_sigmask; /* mask last for extensibility */
+};
/* ELF32 signal handling */
@@ -29,6 +55,103 @@ struct k_sigaction32 {
struct compat_sigaction sa;
};
+typedef struct compat_siginfo {
+ int si_signo;
+ int si_errno;
+ int si_code;
+
+ union {
+ int _pad[((128/sizeof(int)) - 3)];
+
+ /* kill() */
+ struct {
+ unsigned int _pid; /* sender's pid */
+ unsigned int _uid; /* sender's uid */
+ } _kill;
+
+ /* POSIX.1b timers */
+ struct {
+ compat_timer_t _tid; /* timer id */
+ int _overrun; /* overrun count */
+ char _pad[sizeof(unsigned int) - sizeof(int)];
+ compat_sigval_t _sigval; /* same as below */
+ int _sys_private; /* not to be passed to user */
+ } _timer;
+
+ /* POSIX.1b signals */
+ struct {
+ unsigned int _pid; /* sender's pid */
+ unsigned int _uid; /* sender's uid */
+ compat_sigval_t _sigval;
+ } _rt;
+
+ /* SIGCHLD */
+ struct {
+ unsigned int _pid; /* which child */
+ unsigned int _uid; /* sender's uid */
+ int _status; /* exit code */
+ compat_clock_t _utime;
+ compat_clock_t _stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+ struct {
+ unsigned int _addr; /* faulting insn/memory ref. */
+ } _sigfault;
+
+ /* SIGPOLL */
+ struct {
+ int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+ int _fd;
+ } _sigpoll;
+ } _sifields;
+} compat_siginfo_t;
+
+int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from);
+int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
+
+/* In a deft move of uber-hackery, we decide to carry the top half of all
+ * 64-bit registers in a non-portable, non-ABI, hidden structure.
+ * Userspace can read the hidden structure if it *wants* but is never
+ * guaranteed to be in the same place. Infact the uc_sigmask from the
+ * ucontext_t structure may push the hidden register file downards
+ */
+struct compat_regfile {
+ /* Upper half of all the 64-bit registers that were truncated
+ on a copy to a 32-bit userspace */
+ compat_int_t rf_gr[32];
+ compat_int_t rf_iasq[2];
+ compat_int_t rf_iaoq[2];
+ compat_int_t rf_sar;
+};
+
+#define COMPAT_SIGRETURN_TRAMP 4
+#define COMPAT_SIGRESTARTBLOCK_TRAMP 5
+#define COMPAT_TRAMP_SIZE (COMPAT_SIGRETURN_TRAMP + \
+ COMPAT_SIGRESTARTBLOCK_TRAMP)
+
+struct compat_rt_sigframe {
+ /* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
+ Secondary to that it must protect the ERESTART_RESTARTBLOCK
+ trampoline we left on the stack (we were bad and didn't
+ change sp so we could run really fast.) */
+ compat_uint_t tramp[COMPAT_TRAMP_SIZE];
+ compat_siginfo_t info;
+ struct compat_ucontext uc;
+ /* Hidden location of truncated registers, *must* be last. */
+ struct compat_regfile regs;
+};
+
+/*
+ * The 32-bit ABI wants at least 48 bytes for a function call frame:
+ * 16 bytes for arg0-arg3, and 32 bytes for magic (the only part of
+ * which Linux/parisc uses is sp-20 for the saved return pointer...)
+ * Then, the stack pointer must be rounded to a cache line (64 bytes).
+ */
+#define SIGFRAME32 64
+#define FUNCTIONCALLFRAME32 48
+#define PARISC_RT_SIGFRAME_SIZE32 (((sizeof(struct compat_rt_sigframe) + FUNCTIONCALLFRAME32) + SIGFRAME32) & -SIGFRAME32)
+
void sigset_32to64(sigset_t *s64, compat_sigset_t *s32);
void sigset_64to32(compat_sigset_t *s32, sigset_t *s64);
int do_sigaltstack32 (const compat_stack_t __user *uss32,
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index d6616349289..af88afef41b 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -650,6 +650,8 @@ end_linux_gateway_page:
#define LWS_ENTRY(_name_) .word (lws_##_name_ - linux_gateway_page)
#endif
+ .section .rodata,"a"
+
.align 4096
/* Light-weight-syscall table */
/* Start of lws table. */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 32cbc048932..51d2480627d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -374,5 +374,24 @@
ENTRY_SAME(keyctl)
ENTRY_SAME(ioprio_set)
ENTRY_SAME(ioprio_get)
+ ENTRY_SAME(inotify_init)
+ ENTRY_SAME(inotify_add_watch) /* 270 */
+ ENTRY_SAME(inotify_rm_watch)
+ ENTRY_COMP(pselect6)
+ ENTRY_COMP(ppoll)
+ ENTRY_SAME(migrate_pages)
+ ENTRY_COMP(openat) /* 275 */
+ ENTRY_SAME(mkdirat)
+ ENTRY_SAME(mknodat)
+ ENTRY_SAME(fchownat)
+ ENTRY_COMP(futimesat)
+ ENTRY_COMP(newfstatat) /* 280 */
+ ENTRY_SAME(unlinkat)
+ ENTRY_SAME(renameat)
+ ENTRY_SAME(linkat)
+ ENTRY_SAME(symlinkat)
+ ENTRY_SAME(readlinkat) /* 285 */
+ ENTRY_SAME(fchmodat)
+ ENTRY_SAME(faccessat)
/* Nothing yet */
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 15914f0235a..ff200608c85 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -193,10 +193,9 @@ void show_stack(struct task_struct *task, unsigned long *s)
HERE:
asm volatile ("copy %%r30, %0" : "=r"(sp));
- r = (struct pt_regs *)kmalloc(sizeof(struct pt_regs), GFP_KERNEL);
+ r = kzalloc(sizeof(struct pt_regs), GFP_KERNEL);
if (!r)
return;
- memset(r, 0, sizeof(struct pt_regs));
r->iaoq[0] = (unsigned long)&&HERE;
r->gr[2] = (unsigned long)__builtin_return_address(0);
r->gr[30] = sp;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-03 04:51:22 +0000