On Wed, Mar 17, 2021 at 1:48 PM Zihao Yu <yuzi...@ict.ac.cn> wrote: > > * In RV64, the size of each entry in excp_vect_table is 8 bytes. If the > base of the table is not 8-byte aligned, loading an entry in the table > will raise a misaligned exception. Although such exception will be > handled by opensbi/bbl, this still causes performance degradation. > > Signed-off-by: Zihao Yu <yuzi...@ict.ac.cn>
Looks good to me. Reviewed-by: Anup Patel <a...@brainfault.org> Regards, Anup > --- > arch/riscv/kernel/entry.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S > index 744f3209c..76274a4a1 100644 > --- a/arch/riscv/kernel/entry.S > +++ b/arch/riscv/kernel/entry.S > @@ -447,6 +447,7 @@ ENDPROC(__switch_to) > #endif > > .section ".rodata" > + .align LGREG > /* Exception vector table */ > ENTRY(excp_vect_table) > RISCV_PTR do_trap_insn_misaligned > -- > 2.20.1 > > > _______________________________________________ > linux-riscv mailing list > linux-ri...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv