x86: Use section .data.page_aligned for the idt_table.

The .data.idt section is just squashed into the .data.page_aligned
output section by the linker script anyway, so it might as well be in
the .data.page_aligned section.

This eliminates all references to .data.idt on x86.

Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 83264922a8786e5a6028df55bee538b4d08af13b..ea23d3b76f955b6439f80b760479e0864640e5c1 100644 (file)
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -73,11 +73,9 @@ char ignore_fpu_irq;
 
 /*
  * The IDT has to be page-aligned to simplify the Pentium
- * F0 0F bug workaround.. We have a special link segment
- * for this.
+ * F0 0F bug workaround.
  */
-gate_desc idt_table[NR_VECTORS]
-       __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, };
+gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, };
 #endif
 
 DECLARE_BITMAP(used_vectors, NR_VECTORS);

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 5c7826dd804b0eb03782ccc0efc9db8a48f90ed1..7d6cef363c478138c2046727f9a54f38d1c46ed0 100644 (file)
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -112,7 +112,6 @@ SECTIONS
 #endif
 
                PAGE_ALIGNED_DATA(PAGE_SIZE)
-               *(.data.idt)
 
                CACHELINE_ALIGNED_DATA(CONFIG_X86_L1_CACHE_BYTES)