From 3951bc7becc3f383928abf528b991272cb9d008c Mon Sep 17 00:00:00 2001
From: Arthur Heymans <arthur@aheymans.xyz>
Date: Mon, 23 May 2022 23:28:44 +0200
Subject: Kconfig: Increase x86 postcar & ramstage stack

Currently the BSP stack overflows into the next AP stack. This symbols
needs to be a power of 2 for alignment on the legacy smp init codepath.

This fixes cpu_info on AP #1 build being broken due to stack overflow.

Change-Id: Ib59d354beabc8877f09f768004ced22234ec7d72
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64610
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
---
 src/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Kconfig b/src/Kconfig
index ccfe5d25be..c58a263b25 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -635,7 +635,7 @@ config HEAP_SIZE
 
 config STACK_SIZE
 	hex
-	default 0x1000 if ARCH_X86
+	default 0x2000 if ARCH_X86
 	default 0x0
 
 config MAX_CPUS
-- 
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