[RFC PATCH V3 30/43] rv64ilp32_abi: kernel/smp: Disable CSD_LOCK_WAIT_DEBUG

guoren
2025-03-25T12:23:55Z

The rv64ilp32 abi is based on CONFIG_64BIT, but uses ILP32 for a
smaller cache & memory footprint. So, disable CSD_LOCK_WAIT_DEBUG
to get smaller csd struct.

Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
---
include/linux/smp_types.h | 2 +-
lib/Kconfig.debug | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/smp_types.h b/include/linux/smp_types.h
index 2e8461af8df6..5912b694059f 100644
--- a/include/linux/smp_types.h
+++ b/include/linux/smp_types.h
@@ -61,7 +61,7 @@ struct __call_single_node {
unsigned int u_flags;
atomic_t a_flags;
};
-#ifdef CONFIG_64BIT
+#if BITS_PER_LONG == 64
u16 src, dst;
#endif
};
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1af972a92d06..f55f0ded826c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1613,6 +1613,7 @@ config CSD_LOCK_WAIT_DEBUG
depends on DEBUG_KERNEL
depends on SMP
depends on 64BIT
+ depends on !ABI_RV64ILP32
default n
help
This option enables debug prints when CPUs are slow to respond
--
2.40.1