diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-08-14 15:36:12 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-20 14:22:09 +0300 |
| commit | f3a2ac05894b57e78cd6cc0adba1de642034d940 (patch) | |
| tree | 98ada0ced13469382d5fd2f1faa8e90e391d414e /arch/powerpc/mm/ptdump | |
| parent | 82242352728125ecd86cea4631b89a5e6be0d0fd (diff) | |
| download | linux-f3a2ac05894b57e78cd6cc0adba1de642034d940.tar.xz | |
powerpc/ptdump: get out of note_prot_wx() when CONFIG_PPC_DEBUG_WX is not selected.
When CONFIG_PPC_DEBUG_WX, note_prot_wx() is useless.
Get out of it early and inconditionnally in that case,
so that GCC can kick all the code out.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ff6c8f631bd4ce3a10e0cc241eb569816187bc20.1565786091.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/mm/ptdump')
| -rw-r--r-- | arch/powerpc/mm/ptdump/ptdump.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 9a2186c133e6..ab6a572202b4 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -177,7 +177,7 @@ static void dump_addr(struct pg_state *st, unsigned long addr) static void note_prot_wx(struct pg_state *st, unsigned long addr) { - if (!st->check_wx) + if (!IS_ENABLED(CONFIG_PPC_DEBUG_WX) || !st->check_wx) return; if (!((st->current_flags & pgprot_val(PAGE_KERNEL_X)) == pgprot_val(PAGE_KERNEL_X))) |