From: Joerg Roedel <jroedel@xxxxxxx>
With SEV-ES, exception handling is needed very early, even before the
kernel has cleared the bss segment. In order to prevent clearing the
currently used IDT, move the IDT to the data segment.
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
arch/x86/kernel/idt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c
index 87ef69a72c52..7f81c1294847 100644
--- a/arch/x86/kernel/idt.c
+++ b/arch/x86/kernel/idt.c
@@ -166,7 +166,7 @@ static const __initconst struct idt_data dbg_idts[] = {
#endif
/* Must be page-aligned because the real IDT is used in a fixmap. */
-gate_desc idt_table[IDT_ENTRIES] __page_aligned_bss;
+gate_desc idt_table[IDT_ENTRIES] __page_aligned_data;
struct desc_ptr idt_descr __ro_after_init = {
.size = (IDT_ENTRIES * 2 * sizeof(unsigned long)) - 1,
--
2.17.1
