KVM: MIPS: Define KVM_ENTRYHI_ASID to cpu_asid_mask(&boot_cpu_data)
authorXing Li <lixing@loongson.cn>
Sat, 23 May 2020 07:56:28 +0000 (15:56 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Jun 2020 14:42:04 +0000 (16:42 +0200)
commit2c3bb255a94cae1a33d9bde154ef5e5e1a342343
tree66dc558fc19d87c7b2631fde1f767500ae34ec5f
parent3f2ee98ed1e045abf426ad99ba949723b18a7343
KVM: MIPS: Define KVM_ENTRYHI_ASID to cpu_asid_mask(&boot_cpu_data)

commit fe2b73dba47fb6d6922df1ad44e83b1754d5ed4d upstream.

The code in decode_config4() of arch/mips/kernel/cpu-probe.c

        asid_mask = MIPS_ENTRYHI_ASID;
        if (config4 & MIPS_CONF4_AE)
                asid_mask |= MIPS_ENTRYHI_ASIDX;
        set_cpu_asid_mask(c, asid_mask);

set asid_mask to cpuinfo->asid_mask.

So in order to support variable ASID_MASK, KVM_ENTRYHI_ASID should also
be changed to cpu_asid_mask(&boot_cpu_data).

Cc: Stable <stable@vger.kernel.org> #4.9+
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Xing Li <lixing@loongson.cn>
[Huacai: Change current_cpu_data to boot_cpu_data for optimization]
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Message-Id: <1590220602-3547-2-git-send-email-chenhc@lemote.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/mips/include/asm/kvm_host.h