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Diffstat (limited to 'arch/sparc/kernel/traps_64.c')
-rw-r--r--arch/sparc/kernel/traps_64.c63
1 files changed, 27 insertions, 36 deletions
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index a850dccd78ea..28cb0d66ab40 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -9,6 +9,7 @@
* I like traps on v9, :))))
*/
+#include <linux/cpu.h>
#include <linux/extable.h>
#include <linux/sched/mm.h>
#include <linux/sched/debug.h>
@@ -107,8 +108,8 @@ void bad_trap(struct pt_regs *regs, long lvl)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGILL, ILL_ILLTRP,
- (void __user *)regs->tpc, lvl);
+ force_sig_fault_trapno(SIGILL, ILL_ILLTRP,
+ (void __user *)regs->tpc, lvl);
}
void bad_trap_tl1(struct pt_regs *regs, long lvl)
@@ -201,8 +202,7 @@ void spitfire_insn_access_exception(struct pt_regs *regs, unsigned long sfsr, un
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGSEGV, SEGV_MAPERR,
- (void __user *)regs->tpc, 0);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)regs->tpc);
out:
exception_exit(prev_state);
}
@@ -237,7 +237,7 @@ void sun4v_insn_access_exception(struct pt_regs *regs, unsigned long addr, unsig
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *) addr, 0);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *) addr);
}
void sun4v_insn_access_exception_tl1(struct pt_regs *regs, unsigned long addr, unsigned long type_ctx)
@@ -250,7 +250,7 @@ void sun4v_insn_access_exception_tl1(struct pt_regs *regs, unsigned long addr, u
sun4v_insn_access_exception(regs, addr, type_ctx);
}
-bool is_no_fault_exception(struct pt_regs *regs)
+static bool is_no_fault_exception(struct pt_regs *regs)
{
unsigned char asi;
u32 insn;
@@ -321,7 +321,7 @@ void spitfire_data_access_exception(struct pt_regs *regs, unsigned long sfsr, un
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)sfar, 0);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)sfar);
out:
exception_exit(prev_state);
}
@@ -385,13 +385,13 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig
*/
switch (type) {
case HV_FAULT_TYPE_INV_ASI:
- force_sig_fault(SIGILL, ILL_ILLADR, (void __user *)addr, 0);
+ force_sig_fault(SIGILL, ILL_ILLADR, (void __user *)addr);
break;
case HV_FAULT_TYPE_MCD_DIS:
- force_sig_fault(SIGSEGV, SEGV_ACCADI, (void __user *)addr, 0);
+ force_sig_fault(SIGSEGV, SEGV_ACCADI, (void __user *)addr);
break;
default:
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)addr, 0);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)addr);
break;
}
}
@@ -568,7 +568,7 @@ static void spitfire_ue_log(unsigned long afsr, unsigned long afar, unsigned lon
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGBUS, BUS_OBJERR, (void *)0, 0);
+ force_sig_fault(SIGBUS, BUS_OBJERR, (void *)0);
}
void spitfire_access_error(struct pt_regs *regs, unsigned long status_encoded, unsigned long afar)
@@ -898,7 +898,7 @@ void __init cheetah_ecache_flush_init(void)
/* Now allocate error trap reporting scoreboard. */
sz = NR_CPUS * (2 * sizeof(struct cheetah_err_info));
- for (order = 0; order < MAX_ORDER; order++) {
+ for (order = 0; order < NR_PAGE_ORDERS; order++) {
if ((PAGE_SIZE << order) >= sz)
break;
}
@@ -2032,7 +2032,7 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent,
/* Handle memory corruption detected error which is vectored in
* through resumable error trap.
*/
-void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
+static void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
{
if (notify_die(DIE_TRAP, "MCD error", regs, 0, 0x34,
SIGSEGV) == NOTIFY_STOP)
@@ -2069,8 +2069,7 @@ void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
/* Send SIGSEGV to the userspace process with the right signal
* code
*/
- force_sig_fault(SIGSEGV, SEGV_ADIDERR, (void __user *)ent.err_raddr,
- 0);
+ force_sig_fault(SIGSEGV, SEGV_ADIDERR, (void __user *)ent.err_raddr);
}
/* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate.
@@ -2151,9 +2150,9 @@ static unsigned long sun4v_get_vaddr(struct pt_regs *regs)
/* Attempt to handle non-resumable errors generated from userspace.
* Returns true if the signal was handled, false otherwise.
*/
-bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
- struct sun4v_error_entry *ent) {
-
+static bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
+ struct sun4v_error_entry *ent)
+{
unsigned int attrs = ent->err_attrs;
if (attrs & SUN4V_ERR_ATTRS_MEMORY) {
@@ -2184,7 +2183,7 @@ bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
}
if (attrs & SUN4V_ERR_ATTRS_PIO) {
force_sig_fault(SIGBUS, BUS_ADRERR,
- (void __user *)sun4v_get_vaddr(regs), 0);
+ (void __user *)sun4v_get_vaddr(regs));
return true;
}
@@ -2340,8 +2339,7 @@ static void do_fpe_common(struct pt_regs *regs)
else if (fsr & 0x01)
code = FPE_FLTRES;
}
- force_sig_fault(SIGFPE, code,
- (void __user *)regs->tpc, 0);
+ force_sig_fault(SIGFPE, code, (void __user *)regs->tpc);
}
}
@@ -2395,8 +2393,7 @@ void do_tof(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGEMT, EMT_TAGOVF,
- (void __user *)regs->tpc, 0);
+ force_sig_fault(SIGEMT, EMT_TAGOVF, (void __user *)regs->tpc);
out:
exception_exit(prev_state);
}
@@ -2415,8 +2412,7 @@ void do_div0(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGFPE, FPE_INTDIV,
- (void __user *)regs->tpc, 0);
+ force_sig_fault(SIGFPE, FPE_INTDIV, (void __user *)regs->tpc);
out:
exception_exit(prev_state);
}
@@ -2564,9 +2560,7 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
}
if (panic_on_oops)
panic("Fatal exception");
- if (regs->tstate & TSTATE_PRIV)
- do_exit(SIGKILL);
- do_exit(SIGSEGV);
+ make_task_dead((regs->tstate & TSTATE_PRIV)? SIGKILL : SIGSEGV);
}
EXPORT_SYMBOL(die_if_kernel);
@@ -2612,7 +2606,7 @@ void do_illegal_instruction(struct pt_regs *regs)
}
}
}
- force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc, 0);
+ force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc);
out:
exception_exit(prev_state);
}
@@ -2632,7 +2626,7 @@ void mem_address_unaligned(struct pt_regs *regs, unsigned long sfar, unsigned lo
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)sfar, 0);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)sfar);
out:
exception_exit(prev_state);
}
@@ -2650,7 +2644,7 @@ void sun4v_do_mna(struct pt_regs *regs, unsigned long addr, unsigned long type_c
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) addr, 0);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) addr);
}
/* sun4v_mem_corrupt_detect_precise() - Handle precise exception on an ADI
@@ -2697,7 +2691,7 @@ void sun4v_mem_corrupt_detect_precise(struct pt_regs *regs, unsigned long addr,
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGSEGV, SEGV_ADIPERR, (void __user *)addr, 0);
+ force_sig_fault(SIGSEGV, SEGV_ADIPERR, (void __user *)addr);
}
void do_privop(struct pt_regs *regs)
@@ -2712,8 +2706,7 @@ void do_privop(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGILL, ILL_PRVOPC,
- (void __user *)regs->tpc, 0);
+ force_sig_fault(SIGILL, ILL_PRVOPC, (void __user *)regs->tpc);
out:
exception_exit(prev_state);
}
@@ -2865,8 +2858,6 @@ void __init trap_init(void)
TI_PRE_COUNT != offsetof(struct thread_info,
preempt_count) ||
TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
- TI_CURRENT_DS != offsetof(struct thread_info,
- current_ds) ||
TI_KUNA_REGS != offsetof(struct thread_info,
kern_una_regs) ||
TI_KUNA_INSN != offsetof(struct thread_info,
generated by cgit (git 2.34.1) at 2025-12-25 02:14:42 +0000