x86: Introduce GDT_ENTRY_INIT()

GDT_ENTRY_INIT is static initializer of desc_struct.

We already have similar macro GDT_ENTRY() but it's static
initializer for u64 and it cannot be used for desc_struct.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
LKML-Reference: <20090718151219.GD11294@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index 45ad3e9cc362..bd035e3d3550 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -60,7 +60,7 @@ do { \
         set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
 } while(0)
 
-static struct desc_struct bad_bios_desc;
+static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, 0, 0);
 
 /*
  * At some point we want to use this stack frame pointer to unwind
@@ -476,9 +476,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
         pnp_bios_callpoint.offset = header->fields.pm16offset;
         pnp_bios_callpoint.segment = PNP_CS16;
 
-        bad_bios_desc.a = 0;
-        bad_bios_desc.b = 0x00409200;
-
         set_desc_base(&bad_bios_desc, (unsigned long)__va(0x40UL << 4));
         set_desc_limit(&bad_bios_desc, 4095 - (0x40 << 4));
         for_each_possible_cpu(i) {