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libcacard
0012-PPC-KVM-Disable-mmu-notifier-check.patch
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File 0012-PPC-KVM-Disable-mmu-notifier-check.patch of Package libcacard
From 9c2c4ede3f580278a650955b38927d3fec728c8c Mon Sep 17 00:00:00 2001 From: Alexander Graf <agraf@suse.de> Date: Fri, 6 Jan 2012 01:05:55 +0100 Subject: [PATCH] PPC: KVM: Disable mmu notifier check When using hugetlbfs (which is required for HV mode KVM on 970), we check for MMU notifiers that on 970 can not be implemented properly. So disable the check for mmu notifiers on PowerPC guests, making KVM guests work there, even if possibly racy in some odd circumstances. --- exec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/exec.c b/exec.c index bfee04a..8282ae3 100644 --- a/exec.c +++ b/exec.c @@ -1072,11 +1072,13 @@ static void *file_ram_alloc(RAMBlock *block, return NULL; } +#ifndef TARGET_PPC if (kvm_enabled() && !kvm_has_sync_mmu()) { error_setg(errp, "host lacks kvm mmu notifiers, -mem-path unsupported"); goto error; } +#endif /* Make name safe to use with mkstemp by replacing '/' with '_'. */ sanitized_name = g_strdup(block->mr->name);
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