From 5f987caec521cbb00d4ba2dc641ac8074626b762 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 27 Jul 2020 13:44:36 +1000 Subject: [PATCH] powerpc/fadump: Fix build error with CONFIG_PRESERVE_FA_DUMP=y MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit skiroot_defconfig fails: arch/powerpc/kernel/fadump.c:48:17: error: ‘cpus_in_fadump’ defined but not used 48 | static atomic_t cpus_in_fadump; Fix it by moving the definition into the #ifdef where it's used. Fixes: ba608c4fa12c ("powerpc/fadump: fix race between pstore write and fadump crash trigger") Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200727070341.595634-1-mpe@ellerman.id.au --- arch/powerpc/kernel/fadump.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 1858896d6809..10ebb4bf71ad 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -45,10 +45,12 @@ static struct fw_dump fw_dump; static void __init fadump_reserve_crash_area(u64 base); struct kobject *fadump_kobj; -static atomic_t cpus_in_fadump; #ifndef CONFIG_PRESERVE_FA_DUMP + +static atomic_t cpus_in_fadump; static DEFINE_MUTEX(fadump_mutex); + struct fadump_mrange_info crash_mrange_info = { "crash", NULL, 0, 0, 0, false }; #define RESERVED_RNGS_SZ 16384 /* 16K - 128 entries */ -- 2.11.0