From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/powerpc/include/asm/page_32.h | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/powerpc/include/asm/page_32.h b/kernel/arch/powerpc/include/asm/page_32.h
index 5c378e9..d64dfe3 100644
--- a/kernel/arch/powerpc/include/asm/page_32.h
+++ b/kernel/arch/powerpc/include/asm/page_32.h
@@ -22,7 +22,8 @@
#define PTE_FLAGS_OFFSET 0
#endif
-#ifdef CONFIG_PPC_256K_PAGES
+#if defined(CONFIG_PPC_256K_PAGES) || \
+ (defined(CONFIG_PPC_8xx) && defined(CONFIG_PPC_16K_PAGES))
#define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2 - 2) /* 1/4 of a page */
#else
#define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2) /* full page */
@@ -39,6 +40,8 @@
typedef unsigned long pte_basic_t;
#endif
+#include <asm/bug.h>
+
/*
* Clear page using the dcbz instruction, which doesn't cause any
* memory traffic (except to write out any cache lines which get
@@ -48,6 +51,8 @@
{
unsigned int i;
+ WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
+
for (i = 0; i < PAGE_SIZE / L1_CACHE_BYTES; i++, addr += L1_CACHE_BYTES)
dcbz(addr);
}
--
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