* [BUG, non-patch] Octeon kexec ftbfs and unusable
@ 2019-01-08 6:19 YunQiang Su
0 siblings, 0 replies; only message in thread
From: YunQiang Su @ 2019-01-08 6:19 UTC (permalink / raw)
To: steven.hill, linux-mips, aaro.koskinen; +Cc: YunQiang Su
The kernel for Octeon fails to build with kexec enabled, and
the bellow patch makes it buildable.
While in fact the kexec for octeon is not usable at all.
It will hang after:
Checking for the daddiu bug... no.
I tried to delete the bellow line or replace it with
kexec_nonboot_cpu_jump();
The 4.19, and even 4.9 without ftbfs also hangs at the same place.
---
arch/mips/cavium-octeon/setup.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 2c79ab529..876f2f27e 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -98,7 +98,6 @@ static void octeon_kexec_smp_down(void *ignored)
" sync \n"
" synci ($0) \n");
- relocated_kexec_smp_wait(NULL);
}
#endif
--
2.20.1
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2019-01-08 6:19 [BUG, non-patch] Octeon kexec ftbfs and unusable YunQiang Su
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