Re: [PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition

[Lijun Pan]

On Jul 13, 2020, at 12:14 AM, David Gibson <david@gibson.dropbear.id.au> wrote:

On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:

Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.

Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
---
v4: add missing changes, and split to 5/11, 6/11, 7/11
v3: use tcg_gen_gvec_mul()
v2: fix coding style
   use Power ISA 3.1 flag

include/elf.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/elf.h b/include/elf.h
index 8fbfe60e09..1858b95acf 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -554,6 +554,7 @@ typedef struct {
#define PPC_FEATURE2_HTM_NOSC           0x01000000
#define PPC_FEATURE2_ARCH_3_00          0x00800000
#define PPC_FEATURE2_HAS_IEEE128        0x00400000
+#define PPC_FEATURE2_ARCH_3_10          0x00200000

/* Bits present in AT_HWCAP for Sparc.  */

Um.. in the corresponding #defines in the kernel 0x00200000 is given
to PPC_FEATURE2_DARN, and several more bits are allocated past that
point.

Then what do you recommend to use?

Thanks,

Lijun