| Message ID | 20240619174036.483943-2-oliver.upton@linux.dev (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | KVM: arm64: Allow userspace to modify CTR_EL0 | expand |
On Wed, 19 Jun 2024, Oliver Upton wrote: > KVM is about to add support for more VM-scoped feature ID regs that > live outside of the id_regs[] array, which means the index of the > debugfs iterator may not actually be an index into the array. > > Prepare by getting the sys_reg encoding from the descriptor itself. > > Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Reviewed-by: Sebastian Ott <sebott@redhat.com>
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 22b45a15d068..ad453c7ad6cc 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -3502,7 +3502,7 @@ static int idregs_debug_show(struct seq_file *s, void *v) return 0; seq_printf(s, "%20s:\t%016llx\n", - desc->name, IDREG(kvm, IDX_IDREG(kvm->arch.idreg_debugfs_iter))); + desc->name, IDREG(kvm, reg_to_encoding(desc))); return 0; }
KVM is about to add support for more VM-scoped feature ID regs that live outside of the id_regs[] array, which means the index of the debugfs iterator may not actually be an index into the array. Prepare by getting the sys_reg encoding from the descriptor itself. Signed-off-by: Oliver Upton <oliver.upton@linux.dev> --- arch/arm64/kvm/sys_regs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)