From 783454e2bc7ce491b5cd50154433cde993bfd849 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Tue, 30 Apr 2019 22:53:31 +0000 Subject: [PATCH] MIPS: Sync icache for whole exception vector MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Rather than performing cache flushing for a fixed 0x400 bytes, use the actual size of the vector in order to ensure we cover all emitted code on systems that make use of vectored interrupts. Signed-off-by: Paul Burton Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Serge Semin Tested-by: Serge Semin Cc: linux-mips@vger.kernel.org --- arch/mips/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 9b565ed..2775190 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2454,7 +2454,7 @@ void __init trap_init(void) else set_handler(0x080, &except_vec3_generic, 0x80); - local_flush_icache_range(ebase, ebase + 0x400); + local_flush_icache_range(ebase, ebase + vec_size); sort_extable(__start___dbe_table, __stop___dbe_table); -- 2.7.4