There is a misprint in arch/i386/boot/memory.c file that leads
to error in x86_64 compilation:
...
CC arch/x86_64/boot/memory.o
arch/i386/boot/memory.c: In function `detect_memory':
arch/i386/boot/memory.c:32: error: can't find a register in class `DREG' while reloading `asm'
The err variable is specified in asm output list like "=dm", not "=m".
This is for 2.6.22-rc1-mm1 tree. Maybe this exists in i386 as well
and the patch is sent, but...
Signed-off-by: Pavel Emelianov <[email protected]>
---
diff --git a/arch/i386/boot/memory.c b/arch/i386/boot/memory.c
index 8a82aa9..7ae2d23 100644
--- a/arch/i386/boot/memory.c
+++ b/arch/i386/boot/memory.c
@@ -30,7 +30,7 @@ static int detect_memory_e820(void)
size = sizeof(struct e820entry);
id = SMAP;
asm("int $0x15; setc %0"
- : "=dm" (err), "+b" (next), "+d" (id), "+c" (size),
+ : "=m" (err), "+b" (next), "+d" (id), "+c" (size),
"=m" (*desc)
: "D" (desc), "a" (0xe820));
-
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