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spapr: Set compatibility mode before the rest of spapr_cpu_reset() 

Although the order doesn't really matter at the moment, it's possible
other initializastions could depend on the compatiblity mode, so make sure
we set it first in spapr_cpu_reset().

While we're at it drop the test against first_cpu.  Setting the compat mode
to the value it already has is redundant, but harmless, so we might as well
make a small simplification to the code.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
David Gibson 2018-04-05 15:49:23 +10:00
parent 4550f6a5da
commit 88f42c6773
1 changed files with 5 additions and 6 deletions
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11
hw/ppc/spapr_cpu_core.c
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@ -31,6 +31,11 @@ static void spapr_cpu_reset(void *opaque)
cpu_reset(cs);
/* Set compatibility mode to match the boot CPU, which was either set
* by the machine reset code or by CAS. This should never fail.
*/
ppc_set_compat(cpu, POWERPC_CPU(first_cpu)->compat_pvr, &error_abort);
/* All CPUs start halted. CPU0 is unhalted from the machine level
* reset code and the rest are explicitly started up by the guest
* using an RTAS call */
@ -45,12 +50,6 @@ static void spapr_cpu_reset(void *opaque)
env->spr[SPR_LPCR] &= ~pcc->lpcr_pm;
}
/* Set compatibility mode to match the boot CPU, which was either set
* by the machine reset code or by CAS. This should never fail.
*/
if (cs != first_cpu) {
ppc_set_compat(cpu, POWERPC_CPU(first_cpu)->compat_pvr, &error_abort);
}
}
static void spapr_cpu_destroy(PowerPCCPU *cpu)