[PATCH v3 0/3] RISC-V: Ensure Zicbom has a valid block size

[Palmer Dabbelt]

On Tue, 29 Nov 2022 15:34:44 +0100, Andrew Jones wrote:
> When a DT puts zicbom in the isa string, but does not provide a block
> size, ALT_CMO_OP() will attempt to do cache operations on address
> zero since the start address will be ANDed with zero. We can't simply
> BUG() in riscv_init_cbom_blocksize() when we fail to find a block
> size because the failure will happen before logging works, leaving
> users to scratch their heads as to why the boot hung. Instead, ensure
> Zicbom is disabled and output an error which will hopefully alert
> people that the DT needs to be fixed. While at it, add a check that
> the block size is a power-of-2 too.
> 
> [...]

Applied, thanks!

[1/3] RISC-V: Improve use of isa2hwcap[]
      https://git.kernel.org/palmer/c/78eda777d2f1
[2/3] RISC-V: Introduce riscv_isa_extension_check
      https://git.kernel.org/palmer/c/132cfeb2b7fd
[3/3] RISC-V: Ensure Zicbom has a valid block size
      https://git.kernel.org/palmer/c/68dc0718407d

Best regards,
-- 
Palmer Dabbelt <palmer at rivosinc.com>