Re: [PATCH V6 3/3] riscv: Add support for libdw

[Paul Walmsley]

Hello Mao Han,

On Thu, 29 Aug 2019, Mao Han wrote:

> This patch add support for DWARF register mappings and libdw registers
> initialization, which is used by perf callchain analyzing when
> --call-graph=dwarf is given.

> diff --git a/tools/arch/riscv/include/uapi/asm/perf_regs.h b/tools/arch/riscv/include/uapi/asm/perf_regs.h
> new file mode 100644
> index 0000000..df1a581
> --- /dev/null
> +++ b/tools/arch/riscv/include/uapi/asm/perf_regs.h
> @@ -0,0 +1,42 @@
> +/* SPDX-License-Identifier: GPL-2.0 */

As with 

https://lore.kernel.org/linux-riscv/CAJF2gTRXH_bx0rwsTZMTnX+umZfVTL_iVnewPtVM50sLaqJPTg@xxxxxxxxxxxxxx/T/#t

is it possible to change this license string to "GPL-2.0 WITH 
Linux-syscall-note" to match the other Linux architectures? 


- Paul