[PATCH] riscv: entry: Save a0 prior syscall_enter_from_user_mode()

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Mon,  3 Apr 2023 08:52:07 +0200 you wrote:
> From: Björn Töpel <bjorn at rivosinc.com>
> 
> The RISC-V calling convention passes the first argument, and the
> return value in the a0 register. For this reason, the a0 register
> needs some extra care; When handling syscalls, the a0 register is
> saved into regs->orig_a0, so a0 can be properly restored for,
> e.g. interrupted syscalls.
> 
> [...]

Here is the summary with links:
  - riscv: entry: Save a0 prior syscall_enter_from_user_mode()
    https://git.kernel.org/riscv/c/9c2598d43510

You are awesome, thank you!
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