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authorChen Lu <181250012@smail.nju.edu.cn>2021-10-18 13:22:38 +0800
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-10-27 13:08:01 -0700
commit64a19591a2938b170aa736443d5d3bf4c51e1388 (patch)
tree6d15e22973f2393400af5be00117a311edad2d9d /arch
parent3ef6ca4f354c53abf263cbeb51e7272523c294d8 (diff)
riscv: fix misalgned trap vector base address
The trap vector marked by label .Lsecondary_park must align on a 4-byte boundary, as the {m,s}tvec is defined to require 4-byte alignment. Signed-off-by: Chen Lu <181250012@smail.nju.edu.cn> Reviewed-by: Anup Patel <anup.patel@wdc.com> Fixes: e011995e826f ("RISC-V: Move relocate and few other functions out of __init") Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/kernel/head.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S
index fce5184b22c3..52c5ff9804c5 100644
--- a/arch/riscv/kernel/head.S
+++ b/arch/riscv/kernel/head.S
@@ -193,6 +193,7 @@ setup_trap_vector:
csrw CSR_SCRATCH, zero
ret
+.align 2
.Lsecondary_park:
/* We lack SMP support or have too many harts, so park this hart */
wfi