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[v2,10/11] ARC: enable platform specific mem_service implementation

Message ID 1495954328-28736-11-git-send-email-noamca@mellanox.com
State New
Headers show

Commit Message

Noam Camus May 28, 2017, 6:52 a.m. UTC 
From: Noam Camus <noamca@mellanox.com>

For User Mode Memory Bus Error some platforms do not creat interrupt
level 2 e.g. nps400 creates machine check exception.
Turning mem_service into weak symbol allows each platform to override
mem_service with its own implementation.

Signed-off-by: Noam Camus <noamca@mellanox.com>
---
 arch/arc/kernel/entry-compact.S |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S
index f285dbb..c5736d6 100644
--- a/arch/arc/kernel/entry-compact.S
+++ b/arch/arc/kernel/entry-compact.S
@@ -200,8 +200,9 @@  END(handle_interrupt_level2)
 ; ---------------------------------------------
 ; User Mode Memory Bus Error Interrupt Handler
 ; (Kernel mode memory errors handled via separate exception vectors)
+; Platforms can override this weak version if needed
 ; ---------------------------------------------
-ENTRY(mem_service)
+WEAK(mem_service)
 
 	INTERRUPT_PROLOGUE 2