> -----Original Message----- > From: Neil Zhang [mailto:zhan...@marvell.com] > Sent: 2014年5月14日 11:00 > To: linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org > Cc: catalin.mari...@arm.com; will.dea...@arm.com; Neil Zhang > Subject: [PATCH] ARM64: kernel: add compatable cpuinfo >
Fix typo in version 2. > Print the necessary features in order to be backwards compatable with > ARMv7 and earlier version. > > Signed-off-by: Neil Zhang <zhan...@marvell.com> > --- > arch/arm64/kernel/setup.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index > 7ec7846..a09ecfe 100644 > --- a/arch/arm64/kernel/setup.c > +++ b/arch/arm64/kernel/setup.c > @@ -451,6 +451,11 @@ static int c_show(struct seq_file *m, void *v) > if (elf_hwcap & (1 << i)) > seq_printf(m, "%s ", hwcap_str[i]); > > +#ifdef CONFIG_COMPAT > + seq_puts(m, "half thumb fastmult edsp tls vfp vfpv3 vfpv4 neon "); > + seq_puts(m, "idiva idivt "); > +#endif > + > seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> > 24); > seq_printf(m, "CPU architecture: AArch64\n"); > seq_printf(m, "CPU variant\t: 0x%x\n", (read_cpuid_id() >> 20) & 15); > -- > 1.7.9.5 Best Regards, Neil Zhang