linux-kernel - Re: [PATCH v2] riscv: add CALLER

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Date: Fri, 23 Feb 2024 04:30:30 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Zong Li <zong.li@...ive.com>
Cc: linux-riscv@...ts.infradead.org, palmer@...belt.com,
 paul.walmsley@...ive.com, alex@...ti.fr, conor.dooley@...rochip.com,
 aou@...s.berkeley.edu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] riscv: add CALLER_ADDRx support

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Fri,  2 Feb 2024 01:51:02 +0000 you wrote:
> CALLER_ADDRx returns caller's address at specified level, they are used
> for several tracers. These macros eventually use
> __builtin_return_address(n) to get the caller's address if arch doesn't
> define their own implementation.
> 
> In RISC-V, __builtin_return_address(n) only works when n == 0, we need
> to walk the stack frame to get the caller's address at specified level.
> 
> [...]

Here is the summary with links:
  - [v2] riscv: add CALLER_ADDRx support
    https://git.kernel.org/riscv/c/680341382da5

You are awesome, thank you!
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