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[IA64] honor notify_die() returning NOTIFY_STOP

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This requires making die() and die_if_kernel() return a value, and their
callers to honor this (and be prepared that it returns).

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Jan Beulich
2008-02-04 23:43:03 -08:00
committed by Tony Luck
parent ef3c4cb936
commit 620de2f5dc
4 changed files with 39 additions and 22 deletions
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13
arch/ia64/kernel/unaligned.c
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@ -23,7 +23,7 @@
#include <asm/uaccess.h>
#include <asm/unaligned.h>
extern void die_if_kernel(char *str, struct pt_regs *regs, long err);
extern int die_if_kernel(char *str, struct pt_regs *regs, long err);
#undef DEBUG_UNALIGNED_TRAP
@ -675,8 +675,9 @@ emulate_load_updates (update_t type, load_store_t ld, struct pt_regs *regs, unsi
*/
if (ld.x6_op == 1 || ld.x6_op == 3) {
printk(KERN_ERR "%s: register update on speculative load, error\n", __FUNCTION__);
die_if_kernel("unaligned reference on speculative load with register update\n",
regs, 30);
if (die_if_kernel("unaligned reference on speculative load with register update\n",
regs, 30))
return;
}
@ -1317,7 +1318,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
if (ia64_psr(regs)->be) {
/* we don't support big-endian accesses */
die_if_kernel("big-endian unaligned accesses are not supported", regs, 0);
if (die_if_kernel("big-endian unaligned accesses are not supported", regs, 0))
return;
goto force_sigbus;
}
@ -1534,7 +1536,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
ia64_handle_exception(regs, eh);
goto done;
}
die_if_kernel("error during unaligned kernel access\n", regs, ret);
if (die_if_kernel("error during unaligned kernel access\n", regs, ret))
return;
/* NOT_REACHED */
}
force_sigbus: