Messages in this thread | | | Subject | Re: [PATCH 2/2] arm64: export hyp stub vector s | Date | Fri, 15 Nov 2019 12:29:43 +0000 | From | Marc Zyngier <> |
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On 2019-11-15 09:45, Peng Fan wrote: > From: Peng Fan <peng.fan@nxp.com> > > External hypervisors, like Jailhouse, need this address when they are > deactivated, in order to restore original state. > > Signed-off-by: Peng Fan <peng.fan@nxp.com> > --- > arch/arm64/include/asm/virt.h | 2 ++ > arch/arm64/kernel/hyp-stub.S | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/arch/arm64/include/asm/virt.h > b/arch/arm64/include/asm/virt.h > index 0958ed6191aa..b1b48353e3b3 100644 > --- a/arch/arm64/include/asm/virt.h > +++ b/arch/arm64/include/asm/virt.h > @@ -62,6 +62,8 @@ > */ > extern u32 __boot_cpu_mode[2]; > > +extern char __hyp_stub_vectors[]; > + > void __hyp_set_vectors(phys_addr_t phys_vector_base); > void __hyp_reset_vectors(void); > > diff --git a/arch/arm64/kernel/hyp-stub.S > b/arch/arm64/kernel/hyp-stub.S > index f17af9a39562..22b728fb14bd 100644 > --- a/arch/arm64/kernel/hyp-stub.S > +++ b/arch/arm64/kernel/hyp-stub.S > @@ -38,6 +38,7 @@ ENTRY(__hyp_stub_vectors) > ventry el1_fiq_invalid // FIQ 32-bit EL1 > ventry el1_error_invalid // Error 32-bit EL1 > ENDPROC(__hyp_stub_vectors) > +EXPORT_SYMBOL(__hyp_stub_vectors);
NAK.
There is no in-tree users of this. If you're using jailhouse, you're already patching your kernel, and you can carry this. Mainline doesn't need this at all.
M. -- Jazz is not dead. It just smells funny...
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