On Tue, 5 Apr 2005 22:27:14 -0500 (CDT),
Russ Anderson <[EMAIL PROTECTED]> wrote:
>Create /proc/sys/kernel/mca_recovery to turn on/off the MCA recovery code.
>This allows the recovery code to be enabled or disabled without having
>to reboot.
>
>1 indicates MCA recovery is on.
>0 indicates MCA recovery is off.
>
>Signed-off-by: Russ Anderson <[EMAIL PROTECTED]>
>
>------------------------------------------------------------------------------------
>Index: linux/arch/ia64/kernel/mca.c
>===================================================================
>--- linux.orig/arch/ia64/kernel/mca.c 2005-04-01 09:31:54.106157562 -0600
>+++ linux/arch/ia64/kernel/mca.c 2005-04-05 17:29:19.933493325 -0500
>@@ -123,6 +123,8 @@
> */
> static int cpe_poll_enabled = 1;
>
>+int mca_recovery = 1;
>+
> extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
>
> static int mca_init;
>@@ -884,6 +886,7 @@
> recover = (psp->tc && !(psp->cc || psp->bc || psp->rc || psp->uc))
> /* other error recovery */
> || (ia64_mca_ucmc_extension
>+ && mca_recovery
> && ia64_mca_ucmc_extension(
> IA64_LOG_CURR_BUFFER(SAL_INFO_TYPE_MCA),
> &ia64_sal_to_os_handoff_state,
>Index: linux/kernel/sysctl.c
>===================================================================
>--- linux.orig/kernel/sysctl.c 2005-04-01 09:34:11.198549062 -0600
>+++ linux/kernel/sysctl.c 2005-04-05 18:10:18.987566865 -0500
>@@ -121,6 +121,8 @@
> extern int acct_parm[];
> #endif
>
>+extern int mca_recovery;
>+
> int randomize_va_space = 1;
>
> static int parse_table(int __user *, int, void __user *, size_t __user *,
> void __user *, size_t,
>@@ -642,7 +644,14 @@
> .mode = 0644,
> .proc_handler = &proc_dointvec,
> },
>-
>+ {
>+ .ctl_name = KERN_MCA_RECOVERY,
>+ .procname = "mca_recovery",
>+ .data = &mca_recovery,
>+ .maxlen = sizeof(int),
>+ .mode = 0644,
>+ .proc_handler = &proc_dointvec,
>+ },
> { .ctl_name = 0 }
> };
That is not going to work for other architectures, they will get an
unresolved reference to mca_recovery.
-
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