On Thu, Apr 24, 2025 at 02:35:02PM +0200, Clément Léger wrote: > > > On 24/04/2025 13:06, Andrew Jones wrote: > > On Thu, Apr 17, 2025 at 02:19:51PM +0200, Clément Léger wrote: > >> Add FWFT extension calls. This will be ratified in SBI V3.0 hence, it is > >> provided as a separate commit that can be left out if needed. > >> > >> Signed-off-by: Clément Léger <cle...@rivosinc.com> > >> --- > >> arch/riscv/kernel/sbi.c | 20 +++++++++++++++++++- > >> 1 file changed, 19 insertions(+), 1 deletion(-) > >> > >> diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c > >> index 379981c2bb21..7b062189b184 100644 > >> --- a/arch/riscv/kernel/sbi.c > >> +++ b/arch/riscv/kernel/sbi.c > >> @@ -299,6 +299,8 @@ static int __sbi_rfence_v02(int fid, const struct > >> cpumask *cpu_mask, > >> return 0; > >> } > >> > >> +static bool sbi_fwft_supported; > > > > At some point we may want an SBI extension bitmap, but this is only the > > second SBI extension supported boolean that I'm aware of, so I guess we're > > still OK for now. > > That seems reasonable to have a bitmap rather than duplicating > *ext*_supported. If that's something that bothers you, I can take care > of it and use a bitmap. SSE will also have a sse_supported boolean but > in it's own driver file though.
Up to you. We can always do it later. Thanks, drew
