From: Nickolai Zeldovich <kolya@MIT.EDU>
Date: Sat, 9 Apr 2005 03:37:34 +0000 (-0400)
Subject: [ACPI] S3 resume -- use lgdtl, not lgdt
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9d9437759eb6fdb68f7b82cbee20b0fb711d9f0d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[ACPI] S3 resume -- use lgdtl, not lgdt

From: Nickolai Zeldovich <kolya@MIT.EDU>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S
index 39d32484f6f5..44d886c745ec 100644
--- a/arch/i386/kernel/acpi/wakeup.S
+++ b/arch/i386/kernel/acpi/wakeup.S
@@ -74,8 +74,9 @@ wakeup_code:
 	movw	%ax,%fs
 	movw	$0x0e00 + 'i', %fs:(0x12)
 	
-	# need a gdt
-	lgdt	real_save_gdt - wakeup_code
+	# need a gdt -- use lgdtl to force 32-bit operands, in case
+	# the GDT is located past 16 megabytes.
+	lgdtl	real_save_gdt - wakeup_code
 
 	movl	real_save_cr0 - wakeup_code, %eax
 	movl	%eax, %cr0