Commit c0473553 authored by Tony Luck's avatar Tony Luck Committed by Tony Luck

Provide comand line keyword "nomca" to turn off mca processing in kernel.

Initial patch by Jesse Barnes, fixed by Ken Chen, rescued from
obscurity by Sourav Sen.
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 3b5861bc
......@@ -130,6 +130,8 @@ static int cpe_poll_enabled = 1;
extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
static int mca_init;
/*
* IA64_MCA log support
*/
......@@ -1317,6 +1319,7 @@ ia64_mca_init(void)
ia64_log_init(SAL_INFO_TYPE_CMC);
ia64_log_init(SAL_INFO_TYPE_CPE);
mca_init = 1;
printk(KERN_INFO "MCA related initialization done\n");
}
......@@ -1333,6 +1336,9 @@ ia64_mca_init(void)
static int __init
ia64_mca_late_init(void)
{
if (!mca_init)
return 0;
/* Setup the CMCI/P vector and handler */
init_timer(&cmc_poll_timer);
cmc_poll_timer.function = ia64_mca_cmc_poll;
......
......@@ -375,7 +375,8 @@ setup_arch (char **cmdline_p)
}
#endif
/* enable IA-64 Machine Check Abort Handling */
/* enable IA-64 Machine Check Abort Handling unless disabled */
if (!strstr(saved_command_line, "nomca"))
ia64_mca_init();
platform_setup(cmdline_p);
......
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