openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Fix DAX handling via userspace access from kernel.
  sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx()
  [CVE-2009-0029] sparc: Enable syscall wrappers for 64-bit
  sparc64: Initialize FHC/CLOCK LED platform_device 'id' field correctly.
  sparc64: fix modpost failure
  sparc64: fix readout of cpu/fpu type
This commit is contained in:
Linus Torvalds 2009-01-26 15:08:07 -08:00
parent bf50c903fa fcd26f7ae2
commit 66673f13c1
9 changed files with 68 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/sparc/Kconfig
View File

@ -36,6 +36,7 @@ config SPARC64
select HAVE_KRETPROBES
select HAVE_KPROBES
select HAVE_LMB
select HAVE_SYSCALL_WRAPPERS
select USE_GENERIC_SMP_HELPERS if SMP
select RTC_DRV_CMOS
select RTC_DRV_BQ4802

2
arch/sparc/kernel/central.c
View File

@ -103,6 +103,7 @@ static int __devinit clock_board_probe(struct of_device *op,
p->leds_resource.name = "leds";
p->leds_pdev.name = "sunfire-clockboard-leds";
p->leds_pdev.id = -1;
p->leds_pdev.resource = &p->leds_resource;
p->leds_pdev.num_resources = 1;
p->leds_pdev.dev.parent = &op->dev;
@ -197,6 +198,7 @@ static int __devinit fhc_probe(struct of_device *op,
p->leds_resource.name = "leds";
p->leds_pdev.name = "sunfire-fhc-leds";
p->leds_pdev.id = p->board_num;
p->leds_pdev.resource = &p->leds_resource;
p->leds_pdev.num_resources = 1;
p->leds_pdev.dev.parent = &op->dev;

18
arch/sparc/kernel/cpu.c
View File

@ -239,14 +239,26 @@ unsigned int fsr_storage;
static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
{
const struct manufacturer_info *manuf;
int i;
sparc_cpu_type = NULL;
sparc_fpu_type = NULL;
if (psr_impl < ARRAY_SIZE(manufacturer_info))
manuf = NULL;
for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
{
if (psr_impl == manufacturer_info[i].psr_impl) {
manuf = &manufacturer_info[i];
break;
}
}
if (manuf != NULL)
{
const struct cpu_info *cpu;
const struct fpu_info *fpu;
cpu = &manufacturer_info[psr_impl].cpu_info[0];
cpu = &manuf->cpu_info[0];
while (cpu->psr_vers != -1)
{
if (cpu->psr_vers == psr_vers) {
@ -256,7 +268,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
}
cpu++;
}
fpu = &manufacturer_info[psr_impl].fpu_info[0];
fpu = &manuf->fpu_info[0];
while (fpu->fp_vers != -1)
{
if (fpu->fp_vers == fpu_vers) {

48
arch/sparc/kernel/sys_sparc_64.c
View File

@ -399,7 +399,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
}
}
asmlinkage unsigned long sparc_brk(unsigned long brk)
SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
{
/* People could try to be nasty and use ta 0x6d in 32bit programs */
if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
@ -415,7 +415,7 @@ asmlinkage unsigned long sparc_brk(unsigned long brk)
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
*/
asmlinkage long sparc_pipe(struct pt_regs *regs)
SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs)
{
int fd[2];
int error;
@ -435,8 +435,8 @@ asmlinkage long sparc_pipe(struct pt_regs *regs)
* This is really horribly ugly.
*/
asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
unsigned long third, void __user *ptr, long fifth)
SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
unsigned long, third, void __user *, ptr, long, fifth)
{
long err;
@ -519,7 +519,7 @@ asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
return err;
}
asmlinkage long sparc64_newuname(struct new_utsname __user *name)
SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name)
{
int ret = sys_newuname(name);
@ -530,7 +530,7 @@ asmlinkage long sparc64_newuname(struct new_utsname __user *name)
return ret;
}
asmlinkage long sparc64_personality(unsigned long personality)
SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality)
{
int ret;
@ -564,9 +564,9 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
}
/* Linux version of mmap */
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long off)
SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, off)
{
struct file * file = NULL;
unsigned long retval = -EBADF;
@ -589,7 +589,7 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
return retval;
}
asmlinkage long sys64_munmap(unsigned long addr, size_t len)
SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len)
{
long ret;
@ -606,9 +606,9 @@ extern unsigned long do_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr);
asmlinkage unsigned long sys64_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr)
SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
unsigned long, new_len, unsigned long, flags,
unsigned long, new_addr)
{
unsigned long ret = -EINVAL;
@ -671,7 +671,7 @@ asmlinkage void sparc_breakpoint(struct pt_regs *regs)
extern void check_pending(int signum);
asmlinkage long sys_getdomainname(char __user *name, int len)
SYSCALL_DEFINE2(getdomainname, char __user *, name, int, len)
{
int nlen, err;
@ -694,11 +694,10 @@ asmlinkage long sys_getdomainname(char __user *name, int len)
return err;
}
asmlinkage long sys_utrap_install(utrap_entry_t type,
utrap_handler_t new_p,
utrap_handler_t new_d,
utrap_handler_t __user *old_p,
utrap_handler_t __user *old_d)
SYSCALL_DEFINE5(utrap_install, utrap_entry_t, type,
utrap_handler_t, new_p, utrap_handler_t, new_d,
utrap_handler_t __user *, old_p,
utrap_handler_t __user *, old_d)
{
if (type < UT_INSTRUCTION_EXCEPTION || type > UT_TRAP_INSTRUCTION_31)
return -EINVAL;
@ -764,11 +763,9 @@ asmlinkage long sparc_memory_ordering(unsigned long model,
return 0;
}
asmlinkage long sys_rt_sigaction(int sig,
const struct sigaction __user *act,
struct sigaction __user *oact,
void __user *restorer,
size_t sigsetsize)
SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
struct sigaction __user *, oact, void __user *, restorer,
size_t, sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
@ -808,7 +805,8 @@ asmlinkage void update_perfctrs(void)
reset_pic();
}
asmlinkage long sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long arg2)
SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0,
unsigned long, arg1, unsigned long, arg2)
{
int err = 0;

2
arch/sparc/kernel/syscalls.S
View File

@ -21,7 +21,7 @@ execve_merge:
.align 32
sys_sparc_pipe:
ba,pt %xcc, sparc_pipe
ba,pt %xcc, sys_sparc_pipe_real
add %sp, PTREGS_OFF, %o0
sys_nis_syscall:
ba,pt %xcc, c_sys_nis_syscall

3
arch/sparc/kernel/systbls.h
View File

@ -16,9 +16,6 @@ extern asmlinkage long sys_ipc(unsigned int call, int first,
void __user *ptr, long fifth);
extern asmlinkage long sparc64_newuname(struct new_utsname __user *name);
extern asmlinkage long sparc64_personality(unsigned long personality);
extern asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long off);
extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
unsigned long old_len,

16
arch/sparc/kernel/systbls_64.S
View File

@ -21,7 +21,7 @@ sys_call_table32:
/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
/*15*/ .word sys_chmod, sys_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
/*15*/ .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@ -55,8 +55,8 @@ sys_call_table32:
/*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
.word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr
/*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
.word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sparc64_newuname
/*190*/ .word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
.word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname
/*190*/ .word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
.word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask
/*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
.word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64
@ -95,7 +95,7 @@ sys_call_table:
/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
/*15*/ .word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek
/*15*/ .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
@ -106,7 +106,7 @@ sys_call_table:
.word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys_execve
/*60*/ .word sys_umask, sys_chroot, sys_newfstat, sys_fstat64, sys_getpagesize
.word sys_msync, sys_vfork, sys_pread64, sys_pwrite64, sys_nis_syscall
/*70*/ .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys64_munmap, sys_mprotect
/*70*/ .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys_64_munmap, sys_mprotect
.word sys_madvise, sys_vhangup, sys_nis_syscall, sys_mincore, sys_getgroups
/*80*/ .word sys_setgroups, sys_getpgrp, sys_nis_syscall, sys_setitimer, sys_nis_syscall
.word sys_swapon, sys_getitimer, sys_nis_syscall, sys_sethostname, sys_nis_syscall
@ -129,8 +129,8 @@ sys_call_table:
/*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
/*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname
/*190*/ .word sys_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname
/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
.word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask
/*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall
.word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64
@ -142,7 +142,7 @@ sys_call_table:
.word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
/*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
.word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
/*250*/ .word sys64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
.word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
.word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy

17
arch/sparc/kernel/traps_64.c
View File

@ -1,6 +1,6 @@
/* arch/sparc64/kernel/traps.c
*
* Copyright (C) 1995,1997,2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1995,1997,2008,2009 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com)
*/
@ -314,6 +314,21 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig
return;
if (regs->tstate & TSTATE_PRIV) {
/* Test if this comes from uaccess places. */
const struct exception_table_entry *entry;
entry = search_exception_tables(regs->tpc);
if (entry) {
/* Ouch, somebody is trying VM hole tricks on us... */
#ifdef DEBUG_EXCEPTIONS
printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc);
printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n",
regs->tpc, entry->fixup);
#endif
regs->tpc = entry->fixup;
regs->tnpc = regs->tpc + 4;
return;
}
printk("sun4v_data_access_exception: ADDR[%016lx] "
"CTX[%04x] TYPE[%04x], going.\n",
addr, ctx, type);

3
arch/sparc/lib/Makefile
View File

@ -18,7 +18,7 @@ lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o
lib-y += rwsem_$(BITS).o
lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o
lib-$(CONFIG_SPARC64) += PeeCeeI.o copy_page.o clear_page.o bzero.o
lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o
lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o
lib-$(CONFIG_SPARC64) += VISsave.o
lib-$(CONFIG_SPARC64) += bitops.o
@ -43,3 +43,4 @@ lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o
obj-y += iomap.o
obj-$(CONFIG_SPARC32) += atomic32.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o