[PATCH 3/4] x86: use early_memunmap in arch/x86/kernel/setup.c

From: Juergen Gross
Date: Tue Feb 24 2015 - 04:14:27 EST


Memory mapped via early_memremap() should be unmapped with
early_memunmap() instead of early_iounmap().

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/kernel/setup.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 98dc931..733864a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -356,7 +356,7 @@ static void __init relocate_initrd(void)
mapaddr = ramdisk_image & PAGE_MASK;
p = early_memremap(mapaddr, clen+slop);
memcpy(q, p+slop, clen);
- early_iounmap(p, clen+slop);
+ early_memunmap(p, clen+slop);
q += clen;
ramdisk_image += clen;
ramdisk_size -= clen;
@@ -445,7 +445,7 @@ static void __init parse_setup_data(void)
data_len = data->len + sizeof(struct setup_data);
data_type = data->type;
pa_next = data->next;
- early_iounmap(data, sizeof(*data));
+ early_memunmap(data, sizeof(*data));

switch (data_type) {
case SETUP_E820_EXT:
@@ -480,7 +480,7 @@ static void __init e820_reserve_setup_data(void)
E820_RAM, E820_RESERVED_KERN);
found = 1;
pa_data = data->next;
- early_iounmap(data, sizeof(*data));
+ early_memunmap(data, sizeof(*data));
}
if (!found)
return;
@@ -501,7 +501,7 @@ static void __init memblock_x86_reserve_range_setup_data(void)
data = early_memremap(pa_data, sizeof(*data));
memblock_reserve(pa_data, sizeof(*data) + data->len);
pa_data = data->next;
- early_iounmap(data, sizeof(*data));
+ early_memunmap(data, sizeof(*data));
}
}

--
2.1.4

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