Re: [PATCH v2 0/2] cfi: free old cfi shadow asynchronously

From: Sami Tolvanen
Date: Mon Jul 11 2022 - 15:20:38 EST


On Mon, Jul 04, 2022 at 09:40:44AM +0800, Haibo Li wrote:
> This patchset changes synchronize_rcu to call_rcu in update_shadow.
>
> Patch 1 enables the CFI sanitization for cfi.c and
> bypass __cfi_slowpath_diag.
> It is the prerequisite for using call_rcu in cfi.c.
>
> Patch 2 changes synchronize_rcu to call_rcu and
> free old cfi shadow in rcu cb
>
> Changes in v2:
> - Remove _run_cfi_check,add __nocfi to __cfi_slowpath_diag directly
> - Rename _cfi_shadow_free_rcu to free_shadow
>
> Haibo Li (2):
> cfi: enable sanitize for cfi.c
> cfi: free old cfi shadow asynchronously
>
> kernel/Makefile | 3 ---
> kernel/cfi.c | 14 +++++++++++---
> 2 files changed, 11 insertions(+), 6 deletions(-)

Thanks for sending v2! For the series:

Reviewed-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>

Sami