From 8bedcacaf137c71bbc7096c88d37229e73c8e48c Mon Sep 17 00:00:00 2001
From: Vincent Haupert <mail@vincent-haupert.de>
Date: Wed, 5 Jan 2022 00:19:09 +0100
Subject: [PATCH] linux: enable X86_SGX{_KVM} on x86_64 only

The config option X86_SGX is available on x86_64-linux only; i686-linux
is not supported.

https://github.com/torvalds/linux/blob/55a677b/arch/x86/Kconfig#L1914
---
 pkgs/os-specific/linux/kernel/common-config.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index b127ec9197cb..82de6a96e745 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -473,7 +473,7 @@ let
 
       # Detect buffer overflows on the stack
       CC_STACKPROTECTOR_REGULAR = {optional = true; tristate = whenOlder "4.18" "y";};
-    } // optionalAttrs stdenv.hostPlatform.isx86 {
+    } // optionalAttrs stdenv.hostPlatform.isx86_64 {
       # Enable Intel SGX
       X86_SGX     = whenAtLeast "5.11" yes;
       # Allow KVM guests to load SGX enclaves