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kvmtool: set 9p caching mode to support writable mmaps

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9p doesn't support writable mmaps by default (when cache=none), set it to
loose caching to allow for writable mmaps.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Sasha Levin
2015-10-20 23:32:33 -04:00
committed by Will Deacon
parent 30867c5501
commit 6d7eeb7a13
1 changed files with 1 additions and 1 deletions
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builtin-run.c
+1 -1
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@@ -590,7 +590,7 @@ static struct kvm *kvm_cmd_run_init(int argc, const char **argv)
}
if (kvm->cfg.using_rootfs) {
strcat(real_cmdline, " rw rootflags=trans=virtio,version=9p2000.L rootfstype=9p");
strcat(real_cmdline, " rw rootflags=trans=virtio,version=9p2000.L,cache=loose rootfstype=9p");
if (kvm->cfg.custom_rootfs) {
kvm_run_set_sandbox(kvm);