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Date: Tue, 05 May 2020 16:55:28 -0700 (PDT) From: Palmer Dabbelt <palmer@...belt.com> To: Atish Patra <Atish.Patra@....com> CC: linux-kernel@...r.kernel.org, Atish Patra <Atish.Patra@....com>, aou@...s.berkeley.edu, Anup Patel <Anup.Patel@....com>, linux-riscv@...ts.infradead.org, Paul Walmsley <paul.walmsley@...ive.com>, zong.li@...ive.com Subject: Re: [PATCH] RISC-V: Remove unused code from STRICT_KERNEL_RWX On Sun, 03 May 2020 21:03:19 PDT (-0700), Atish Patra wrote: > This patch removes the unused functions set_kernel_text_rw/ro. > Currently, it is not being invoked from anywhere and no other architecture > (except arm) uses this code. Even in ARM, these functions are not invoked > from anywhere currently. > > Fixes: d27c3c90817e ("riscv: add STRICT_KERNEL_RWX support") > > Signed-off-by: Atish Patra <atish.patra@....com> > --- > arch/riscv/mm/init.c | 16 ---------------- > 1 file changed, 16 deletions(-) > > diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c > index b55be44ff9bd..ba60a581e9b6 100644 > --- a/arch/riscv/mm/init.c > +++ b/arch/riscv/mm/init.c > @@ -501,22 +501,6 @@ static inline void setup_vm_final(void) > #endif /* CONFIG_MMU */ > > #ifdef CONFIG_STRICT_KERNEL_RWX > -void set_kernel_text_rw(void) > -{ > - unsigned long text_start = (unsigned long)_text; > - unsigned long text_end = (unsigned long)_etext; > - > - set_memory_rw(text_start, (text_end - text_start) >> PAGE_SHIFT); > -} > - > -void set_kernel_text_ro(void) > -{ > - unsigned long text_start = (unsigned long)_text; > - unsigned long text_end = (unsigned long)_etext; > - > - set_memory_ro(text_start, (text_end - text_start) >> PAGE_SHIFT); > -} > - > void mark_rodata_ro(void) > { > unsigned long text_start = (unsigned long)_text; Thanks, this is on fixes. Are you going to remove the ARM code as well?
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