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kvm tools: ignore balloon signals by default to avoid balloon crash

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If "kvm run" without balloon option, use "kvm balloon" may
crash kvm. So ignore balloon signals by default to avoid this.

Signed-off-by: Liming Wang <walimisdev@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Liming Wang
2015-06-01 16:39:47 +01:00
committed by Will Deacon
parent 50c479e054
commit 54a4c4a658
1 changed files with 3 additions and 0 deletions
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builtin-run.c
+3
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@@ -469,6 +469,9 @@ int kvm_cmd_run(int argc, const char **argv, const char *prefix)
signal(SIGUSR2, handle_sigusr2);
signal(SIGKVMSTOP, handle_sigstop);
signal(SIGKVMRESUME, handle_sigusr2);
/* ignore balloon signal by default if not enable balloon optiion */
signal(SIGKVMADDMEM, SIG_IGN);
signal(SIGKVMDELMEM, SIG_IGN);
nr_online_cpus = sysconf(_SC_NPROCESSORS_ONLN);