[PATCH] riscv: Fix early ftrace nop patching
patchwork-bot+linux-riscv at kernel.org
patchwork-bot+linux-riscv at kernel.org
Thu May 23 11:00:33 PDT 2024
Hello:
This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer at rivosinc.com>:
On Thu, 23 May 2024 13:51:34 +0200 you wrote:
> Commit c97bf629963e ("riscv: Fix text patching when IPI are used")
> converted ftrace_make_nop() to use patch_insn_write() which does not
> emit any icache flush relying entirely on __ftrace_modify_code() to do
> that.
>
> But we missed that ftrace_make_nop() was called very early directly when
> converting mcount calls into nops (actually on riscv it converts 2B nops
> emitted by the compiler into 4B nops).
>
> [...]
Here is the summary with links:
- riscv: Fix early ftrace nop patching
https://git.kernel.org/riscv/c/6ca445d8af0e
You are awesome, thank you!
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