Re: [PATCH 1/2] RISC-V: fix ordering of Zbb extension

Conor Dooley
2023-02-08T23:20:35Z

Hey Heiko,

On 8 February 2023 22:53:27 GMT, Heiko Stuebner <heiko@sntech.de> wrote:
>From: Heiko Stuebner <heiko.stuebner@vrull.eu>
>
>As Andrew reported,
> Zb* comes after Zi* according 27.11 "Subset Naming Convention"
>so fix the ordering accordingly.
>
>Reported-by: Andrew Jones <ajones@ventanamicro.com>
>Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>

The whole "getting it wrong immediately after fixing it up" ;)

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

>---
> arch/riscv/kernel/cpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
>index 420228e219f7..8400f0cc9704 100644
>--- a/arch/riscv/kernel/cpu.c
>+++ b/arch/riscv/kernel/cpu.c
>@@ -185,9 +185,9 @@ arch_initcall(riscv_cpuinfo_init);
> * New entries to this struct should follow the ordering rules described above.
> */
> static struct riscv_isa_ext_data isa_ext_arr[] = {
>- __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
> __RISCV_ISA_EXT_DATA(zicbom, RISCV_ISA_EXT_ZICBOM),
> __RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE),
>+ __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
> __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF),
> __RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC),
> __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),