Allow sysadmin to disable all warnings about userland apps making unaligned accesses by using: # echo 1 > /proc/sys/kernel/ignore-unaligned-usertrap Rather than having to use prctl on a process by process basis. Default behaivour leaves the warnings enabled.
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| @@ -124,6 +124,10 @@ extern int sysctl_hz_timer; · 123 unmodified lines | ||
| 124 | 124 | extern int acct_parm[]; |
| 125 | 125 | #endif |
| 126 | 126 | |
| 127 | +#ifdef CONFIG_IA64 | |
| 128 | +extern int no_unaligned_warning; | |
| 129 | +#endif | |
| 130 | + | |
| 127 | 131 | static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t, |
| 128 | 132 | ctl_table *, void **); |
| 129 | 133 | static int proc_doutsstring(ctl_table *table, int write, struct file *filp, |
| @@ -665,6 +669,16 @@ static ctl_table kern_table[] = { · 535 unmodified lines | ||
| 665 | 669 | .mode = 0644, |
| 666 | 670 | .proc_handler = &proc_dointvec, |
| 667 | 671 | }, |
| 672 | +#endif | |
| 673 | +#ifdef CONFIG_IA64 | |
| 674 | + { | |
| 675 | + .ctl_name = KERN_IA64_UNALIGNED, | |
| 676 | + .procname = "ignore-unaligned-usertrap", | |
| 677 | + .data = &no_unaligned_warning, | |
| 678 | + .maxlen = sizeof (int), | |
| 679 | + .mode = 0644, | |
| 680 | + .proc_handler = &proc_dointvec, | |
| 681 | + }, | |
| 668 | 682 | #endif |
| 669 | 683 | { .ctl_name = 0 } |
| 670 | 684 | }; |