From 4ac9940c6f4133fa613333b9acbca4b7cf263fe6 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Mon, 30 Sep 2024 08:13:38 +0000
Subject: [PATCH] arm64: ASID 0 is no longer reserved for the kernel.

Change-Id: I52dcc424c0e2f8cf1c9cfb5ada9e99df2b506057
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8424
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Haiku-Format: Haiku-format Bot <no-reply+haikuformatbot@haiku-os.org>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
---
 src/system/kernel/arch/arm64/VMSAv8TranslationMap.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/system/kernel/arch/arm64/VMSAv8TranslationMap.cpp b/src/system/kernel/arch/arm64/VMSAv8TranslationMap.cpp
index 1e9ef0b147..ebcc8f26ac 100644
--- a/src/system/kernel/arch/arm64/VMSAv8TranslationMap.cpp
+++ b/src/system/kernel/arch/arm64/VMSAv8TranslationMap.cpp
@@ -192,8 +192,7 @@ VMSAv8TranslationMap::SwitchUserMap(VMSAv8TranslationMap *from, VMSAv8Translatio
 		return;
 	}
 
-	// ASID 0 is reserved for the kernel.
-	for (size_t i = 1; i < kNumAsids; ++i) {
+	for (size_t i = 0; i < kNumAsids; ++i) {
 		if (sAsidMapping[i]->fRefcount == 0) {
 			sAsidMapping[i]->fASID = -1;
 			to->fASID = i;