Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dec8b1ca990055f3a8954ac3bc98fdb785af52e4
Commit: dec8b1ca990055f3a8954ac3bc98fdb785af52e4
Parent: 89a8a5a6c965d3dd2571a263ef59e7b23a036d5e
Author: Franck Bui-Huu <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 8 16:11:51 2007 +0200
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 23:46:18 2007 +0100
[MIPS] Add BUG_ON assertion for attempt to run kernel on the wrong CPU type.
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/kernel/cpu-probe.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 234c7f5..c8c47a2 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -922,6 +922,14 @@ __init void cpu_probe(void)
default:
c->cputype = CPU_UNKNOWN;
}
+
+ /*
+ * Platform code can force the cpu type to optimize code
+ * generation. In that case be sure the cpu type is correctly
+ * manually setup otherwise it could trigger some nasty bugs.
+ */
+ BUG_ON(current_cpu_type() != c->cputype);
+
if (c->options & MIPS_CPU_FPU) {
c->fpu_id = cpu_get_fpu_id();
-
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