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vl: configure accelerators from -accel options

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Drop the "accel" property from MachineState, and instead desugar
"-machine accel=" to a list of "-accel" options.

This has a semantic change due to removing merge_lists from -accel.
For example:

- "-accel kvm -accel tcg" all but ignored "-accel kvm".  This is a bugfix.

- "-accel kvm -accel thread=single" ignored "thread=single", since it
  applied the option to KVM.  Now it fails due to not specifying the
  accelerator on "-accel thread=single".

- "-accel tcg -accel thread=single" chose single-threaded TCG, while now
  it will fail due to not specifying the accelerator on "-accel
  thread=single".

Also, "-machine accel" and "-accel" become incompatible.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-11-13 10:10:47 +01:00
parent e5db4bd863
commit 6f6e1698a6
14 changed files with 85 additions and 97 deletions
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1
include/hw/boards.h
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@ -275,7 +275,6 @@ struct MachineState {
/*< public >*/
char *accel;
bool kernel_irqchip_allowed;
bool kernel_irqchip_required;
bool kernel_irqchip_split;