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sparc64: Implement HAVE_CONTEXT_TRACKING

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Mark the places when the system are in user or are in kernel.
This is used to make full dynticks system (tickless) --
CONFIG_NO_HZ_FULL dependence.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kirill Tkhai
2013-09-14 16:02:11 +04:00
committed by David S. Miller
parent 1a36265bf7
commit 812cb83a56
14 changed files with 137 additions and 39 deletions
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2
arch/sparc/kernel/process_64.c
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@@ -31,6 +31,7 @@
#include <linux/elfcore.h>
#include <linux/sysrq.h>
#include <linux/nmi.h>
#include <linux/context_tracking.h>
#include <asm/uaccess.h>
#include <asm/page.h>
@@ -557,6 +558,7 @@ void fault_in_user_windows(void)
barf:
set_thread_wsaved(window + 1);
user_exit();
do_exit(SIGILL);
}