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Re: [Xen-devel] [PATCH v7 4/5] x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable




On 2019/7/16 18:57, Juergen Gross wrote:
On 11.07.19 14:02, Zhenzhong Duan wrote:
.. as "nopv" support needs it to be changeable at boot up stage.

Checkpatch report warning, so move variable declarations from
hypervisor.c to hypervisor.h

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
---
  arch/x86/include/asm/hypervisor.h | 8 ++++++++
  arch/x86/kernel/cpu/hypervisor.c  | 8 --------
  2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index f7b4c53..e41cbf2 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -58,6 +58,14 @@ struct hypervisor_x86 {
      bool ignore_nopv;
  };
  +extern const struct hypervisor_x86 x86_hyper_vmware;
+extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
+extern const struct hypervisor_x86 x86_hyper_xen_pv;
+extern const struct hypervisor_x86 x86_hyper_kvm;
+extern const struct hypervisor_x86 x86_hyper_jailhouse;
+extern const struct hypervisor_x86 x86_hyper_acrn;
+extern struct hypervisor_x86 x86_hyper_xen_hvm;

This should either stay const and be changed in patch 5, or you
should adapt its definition in arch/x86/xen/enlighten_hvm.c in
this patch.

Ok, thanks for your suggestion.

I'll choose 2nd opinion as I don't need to change descripton with that.

Zhenzhong


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