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target-arm: fix sorting issue of KVM cpreg list

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The compare_u64 function was not sorting the KVM cpreg_list in the
right way due to the wrong returned value.  Since we are comparing
two 64bit values we can't simply return their difference if the
returned type is int.

Signed-off-by: Alvise Rigo <a.rigo@virtualopensystems.com>
Message-id: 1381513125-26802-2-git-send-email-a.rigo@virtualopensystems.com
[PMM: fixed coding style, indent and commit message formatting]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alvise Rigo 2013-10-11 19:38:45 +02:00 committed by Edgar E. Iglesias
parent cbf239b769
commit 0bc2a331e4
1 changed files with 7 additions and 1 deletions
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8
target-arm/kvm.c
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@ -67,7 +67,13 @@ static bool reg_syncs_via_tuple_list(uint64_t regidx)
static int compare_u64(const void *a, const void *b)
{
return *(uint64_t *)a - *(uint64_t *)b;
if (*(uint64_t *)a > *(uint64_t *)b) {
return 1;
}
if (*(uint64_t *)a < *(uint64_t *)b) {
return -1;
}
return 0;
}
int kvm_arch_init_vcpu(CPUState *cs)