From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/arch/microblaze/mm/highmem.c | 21 +++++----------------
1 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/kernel/arch/microblaze/mm/highmem.c b/kernel/arch/microblaze/mm/highmem.c
index d7569f7..92e0890 100644
--- a/kernel/arch/microblaze/mm/highmem.c
+++ b/kernel/arch/microblaze/mm/highmem.c
@@ -32,17 +32,11 @@
*/
#include <asm/tlbflush.h>
-void *kmap_atomic_prot(struct page *page, pgprot_t prot)
+void *kmap_atomic_high_prot(struct page *page, pgprot_t prot)
{
unsigned long vaddr;
int idx, type;
-
- preempt_disable();
- pagefault_disable();
- if (!PageHighMem(page))
- return page_address(page);
-
type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR*smp_processor_id();
@@ -55,19 +49,16 @@
return (void *) vaddr;
}
-EXPORT_SYMBOL(kmap_atomic_prot);
+EXPORT_SYMBOL(kmap_atomic_high_prot);
-void __kunmap_atomic(void *kvaddr)
+void kunmap_atomic_high(void *kvaddr)
{
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
int type;
unsigned int idx;
- if (vaddr < __fix_to_virt(FIX_KMAP_END)) {
- pagefault_enable();
- preempt_enable();
+ if (vaddr < __fix_to_virt(FIX_KMAP_END))
return;
- }
type = kmap_atomic_idx();
@@ -83,7 +74,5 @@
local_flush_tlb_page(NULL, vaddr);
kmap_atomic_idx_pop();
- pagefault_enable();
- preempt_enable();
}
-EXPORT_SYMBOL(__kunmap_atomic);
+EXPORT_SYMBOL(kunmap_atomic_high);
--
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