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Author SHA1 Message Date
Atish Patra
26fb751ca3
RISC-V: Do not use cpumask data structure for hartid bitmap
Currently, SBI APIs accept a hartmask that is generated from struct
cpumask. Cpumask data structure can hold upto NR_CPUs value. Thus, it
is not the correct data structure for hartids as it can be higher
than NR_CPUs for platforms with sparse or discontguous hartids.

Remove all association between hartid mask and struct cpumask.

Reviewed-by: Anup Patel <anup@brainfault.org> (For Linux RISC-V changes)
Acked-by: Anup Patel <anup@brainfault.org> (For KVM RISC-V changes)
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-20 09:27:22 -08:00
Atish Patra
5f862df558 RISC-V: KVM: Add v0.1 replacement SBI extensions defined in v0.2
The SBI v0.2 contains some of the improved versions of required v0.1
extensions such as remote fence, timer and IPI.

This patch implements those extensions.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
2022-01-06 15:12:15 +05:30