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-rw-r--r--arch/parisc/kernel/ptrace.c10
-rw-r--r--arch/parisc/kernel/traps.c61
-rw-r--r--arch/parisc/kernel/unaligned.c15
-rw-r--r--arch/parisc/math-emu/driver.c8
-rw-r--r--arch/parisc/mm/fault.c54
5 files changed, 54 insertions, 94 deletions
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 1a2be6e639b5..7aa1d4d0d444 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -76,8 +76,6 @@ void user_enable_single_step(struct task_struct *task)
set_tsk_thread_flag(task, TIF_SINGLESTEP);
if (pa_psw(task)->n) {
- struct siginfo si;
-
/* Nullified, just crank over the queue. */
task_regs(task)->iaoq[0] = task_regs(task)->iaoq[1];
task_regs(task)->iasq[0] = task_regs(task)->iasq[1];
@@ -90,11 +88,9 @@ void user_enable_single_step(struct task_struct *task)
ptrace_disable(task);
/* Don't wake up the task, but let the
parent know something happened. */
- si.si_code = TRAP_TRACE;
- si.si_addr = (void __user *) (task_regs(task)->iaoq[0] & ~3);
- si.si_signo = SIGTRAP;
- si.si_errno = 0;
- force_sig_info(SIGTRAP, &si, task);
+ force_sig_fault(SIGTRAP, TRAP_TRACE,
+ (void __user *) (task_regs(task)->iaoq[0] & ~3),
+ task);
/* notify_parent(task, SIGCHLD); */
return;
}
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 71d31274d782..4309ad31a874 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -297,13 +297,8 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
#define GDB_BREAK_INSN 0x10004
static void handle_gdb_break(struct pt_regs *regs, int wot)
{
- struct siginfo si;
-
- si.si_signo = SIGTRAP;
- si.si_errno = 0;
- si.si_code = wot;
- si.si_addr = (void __user *) (regs->iaoq[0] & ~3);
- force_sig_info(SIGTRAP, &si, current);
+ force_sig_fault(SIGTRAP, wot,
+ (void __user *) (regs->iaoq[0] & ~3), current);
}
static void handle_break(struct pt_regs *regs)
@@ -487,7 +482,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
{
unsigned long fault_address = 0;
unsigned long fault_space = 0;
- struct siginfo si;
+ int si_code;
if (code == 1)
pdc_console_restart(); /* switch back to pdc if HPMC */
@@ -571,7 +566,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
case 8:
/* Illegal instruction trap */
die_if_kernel("Illegal instruction", regs, code);
- si.si_code = ILL_ILLOPC;
+ si_code = ILL_ILLOPC;
goto give_sigill;
case 9:
@@ -582,7 +577,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
case 10:
/* Privileged operation trap */
die_if_kernel("Privileged operation", regs, code);
- si.si_code = ILL_PRVOPC;
+ si_code = ILL_PRVOPC;
goto give_sigill;
case 11:
@@ -605,20 +600,16 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
}
die_if_kernel("Privileged register usage", regs, code);
- si.si_code = ILL_PRVREG;
+ si_code = ILL_PRVREG;
give_sigill:
- si.si_signo = SIGILL;
- si.si_errno = 0;
- si.si_addr = (void __user *) regs->iaoq[0];
- force_sig_info(SIGILL, &si, current);
+ force_sig_fault(SIGILL, si_code,
+ (void __user *) regs->iaoq[0], current);
return;
case 12:
/* Overflow Trap, let the userland signal handler do the cleanup */
- si.si_signo = SIGFPE;
- si.si_code = FPE_INTOVF;
- si.si_addr = (void __user *) regs->iaoq[0];
- force_sig_info(SIGFPE, &si, current);
+ force_sig_fault(SIGFPE, FPE_INTOVF,
+ (void __user *) regs->iaoq[0], current);
return;
case 13:
@@ -626,13 +617,11 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
The condition succeeds in an instruction which traps
on condition */
if(user_mode(regs)){
- si.si_signo = SIGFPE;
/* Let userspace app figure it out from the insn pointed
* to by si_addr.
*/
- si.si_code = FPE_CONDTRAP;
- si.si_addr = (void __user *) regs->iaoq[0];
- force_sig_info(SIGFPE, &si, current);
+ force_sig_fault(SIGFPE, FPE_CONDTRAP,
+ (void __user *) regs->iaoq[0], current);
return;
}
/* The kernel doesn't want to handle condition codes */
@@ -741,14 +730,10 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
return;
die_if_kernel("Protection id trap", regs, code);
- si.si_code = SEGV_MAPERR;
- si.si_signo = SIGSEGV;
- si.si_errno = 0;
- if (code == 7)
- si.si_addr = (void __user *) regs->iaoq[0];
- else
- si.si_addr = (void __user *) regs->ior;
- force_sig_info(SIGSEGV, &si, current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR,
+ (code == 7)?
+ ((void __user *) regs->iaoq[0]) :
+ ((void __user *) regs->ior), current);
return;
case 28:
@@ -762,11 +747,8 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
"handle_interruption() pid=%d command='%s'\n",
task_pid_nr(current), current->comm);
/* SIGBUS, for lack of a better one. */
- si.si_signo = SIGBUS;
- si.si_code = BUS_OBJERR;
- si.si_errno = 0;
- si.si_addr = (void __user *) regs->ior;
- force_sig_info(SIGBUS, &si, current);
+ force_sig_fault(SIGBUS, BUS_OBJERR,
+ (void __user *)regs->ior, current);
return;
}
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC);
@@ -781,11 +763,8 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
"User fault %d on space 0x%08lx, pid=%d command='%s'\n",
code, fault_space,
task_pid_nr(current), current->comm);
- si.si_signo = SIGSEGV;
- si.si_errno = 0;
- si.si_code = SEGV_MAPERR;
- si.si_addr = (void __user *) regs->ior;
- force_sig_info(SIGSEGV, &si, current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR,
+ (void __user *)regs->ior, current);
return;
}
}
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index e36f7b75ab07..932bfc0b7cd8 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -452,7 +452,6 @@ void handle_unaligned(struct pt_regs *regs)
unsigned long newbase = R1(regs->iir)?regs->gr[R1(regs->iir)]:0;
int modify = 0;
int ret = ERR_NOTHANDLED;
- struct siginfo si;
register int flop=0; /* true if this is a flop */
__inc_irq_stat(irq_unaligned_count);
@@ -690,21 +689,15 @@ void handle_unaligned(struct pt_regs *regs)
if (ret == ERR_PAGEFAULT)
{
- si.si_signo = SIGSEGV;
- si.si_errno = 0;
- si.si_code = SEGV_MAPERR;
- si.si_addr = (void __user *)regs->ior;
- force_sig_info(SIGSEGV, &si, current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR,
+ (void __user *)regs->ior, current);
}
else
{
force_sigbus:
/* couldn't handle it ... */
- si.si_signo = SIGBUS;
- si.si_errno = 0;
- si.si_code = BUS_ADRALN;
- si.si_addr = (void __user *)regs->ior;
- force_sig_info(SIGBUS, &si, current);
+ force_sig_fault(SIGBUS, BUS_ADRALN,
+ (void __user *)regs->ior, current);
}
return;
diff --git a/arch/parisc/math-emu/driver.c b/arch/parisc/math-emu/driver.c
index 2fb59d2e2b29..0590e05571d1 100644
--- a/arch/parisc/math-emu/driver.c
+++ b/arch/parisc/math-emu/driver.c
@@ -81,7 +81,6 @@ int
handle_fpe(struct pt_regs *regs)
{
extern void printbinary(unsigned long x, int nbits);
- struct siginfo si;
unsigned int orig_sw, sw;
int signalcode;
/* need an intermediate copy of float regs because FPU emulation
@@ -117,11 +116,8 @@ handle_fpe(struct pt_regs *regs)
memcpy(regs->fr, frcopy, sizeof regs->fr);
if (signalcode != 0) {
- si.si_signo = signalcode >> 24;
- si.si_errno = 0;
- si.si_code = signalcode & 0xffffff;
- si.si_addr = (void __user *) regs->iaoq[0];
- force_sig_info(si.si_signo, &si, current);
+ force_sig_fault(signalcode >> 24, signalcode & 0xffffff,
+ (void __user *) regs->iaoq[0], current);
return -1;
}
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index e247edbca68e..a80117980fc2 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -353,23 +353,22 @@ bad_area:
up_read(&mm->mmap_sem);
if (user_mode(regs)) {
- struct siginfo si;
- unsigned int lsb = 0;
+ int signo, si_code;
switch (code) {
case 15: /* Data TLB miss fault/Data page fault */
/* send SIGSEGV when outside of vma */
if (!vma ||
address < vma->vm_start || address >= vma->vm_end) {
- si.si_signo = SIGSEGV;
- si.si_code = SEGV_MAPERR;
+ signo = SIGSEGV;
+ si_code = SEGV_MAPERR;
break;
}
/* send SIGSEGV for wrong permissions */
if ((vma->vm_flags & acc_type) != acc_type) {
- si.si_signo = SIGSEGV;
- si.si_code = SEGV_ACCERR;
+ signo = SIGSEGV;
+ si_code = SEGV_ACCERR;
break;
}
@@ -377,43 +376,40 @@ bad_area:
/* fall through */
case 17: /* NA data TLB miss / page fault */
case 18: /* Unaligned access - PCXS only */
- si.si_signo = SIGBUS;
- si.si_code = (code == 18) ? BUS_ADRALN : BUS_ADRERR;
+ signo = SIGBUS;
+ si_code = (code == 18) ? BUS_ADRALN : BUS_ADRERR;
break;
case 16: /* Non-access instruction TLB miss fault */
case 26: /* PCXL: Data memory access rights trap */
default:
- si.si_signo = SIGSEGV;
- si.si_code = (code == 26) ? SEGV_ACCERR : SEGV_MAPERR;
+ signo = SIGSEGV;
+ si_code = (code == 26) ? SEGV_ACCERR : SEGV_MAPERR;
break;
}
-
#ifdef CONFIG_MEMORY_FAILURE
if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
+ unsigned int lsb = 0;
printk(KERN_ERR
"MCE: Killing %s:%d due to hardware memory corruption fault at %08lx\n",
tsk->comm, tsk->pid, address);
- si.si_signo = SIGBUS;
- si.si_code = BUS_MCEERR_AR;
+ /*
+ * Either small page or large page may be poisoned.
+ * In other words, VM_FAULT_HWPOISON_LARGE and
+ * VM_FAULT_HWPOISON are mutually exclusive.
+ */
+ if (fault & VM_FAULT_HWPOISON_LARGE)
+ lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
+ else if (fault & VM_FAULT_HWPOISON)
+ lsb = PAGE_SHIFT;
+
+ force_sig_mceerr(BUS_MCEERR_AR, (void __user *) address,
+ lsb, current);
+ return;
}
#endif
+ show_signal_msg(regs, code, address, tsk, vma);
- /*
- * Either small page or large page may be poisoned.
- * In other words, VM_FAULT_HWPOISON_LARGE and
- * VM_FAULT_HWPOISON are mutually exclusive.
- */
- if (fault & VM_FAULT_HWPOISON_LARGE)
- lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
- else if (fault & VM_FAULT_HWPOISON)
- lsb = PAGE_SHIFT;
- else
- show_signal_msg(regs, code, address, tsk, vma);
- si.si_addr_lsb = lsb;
-
- si.si_errno = 0;
- si.si_addr = (void __user *) address;
- force_sig_info(si.si_signo, &si, current);
+ force_sig_fault(signo, si_code, (void __user *) address, current);
return;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-25 15:47:11 +0000