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authorSean Christopherson <seanjc@google.com>2021-11-29 21:43:42 +0000
committerPalmer Dabbelt <palmer@rivosinc.com>2022-01-09 12:13:31 -0800
commit869c70609248102f3a2e95a39b6233ff6ea2c932 (patch)
treeab52f1bebf596bd9a0cd847c25da4b2391258311 /lib/percpu_test.c
parent51f23e5318a0882068254e20d3999e9421cfd66e (diff)
downloadlinux-869c70609248102f3a2e95a39b6233ff6ea2c932.tar.bz2
RISC-V: Use common riscv_cpuid_to_hartid_mask() for both SMP=y and SMP=n
Use what is currently the SMP=y version of riscv_cpuid_to_hartid_mask() for both SMP=y and SMP=n to fix a build failure with KVM=m and SMP=n due to boot_cpu_hartid not being exported. This also fixes a second bug where the SMP=n version assumes the sole CPU in the system is in the incoming mask, which may not hold true in kvm_riscv_vcpu_sbi_ecall() if the KVM guest VM has multiple vCPUs (on a SMP=n system). Fixes: 1ef46c231df4 ("RISC-V: Implement new SBI v0.2 extensions") Reported-by: Adam Borowski <kilobyte@angband.pl> Reviewed-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'lib/percpu_test.c')
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