Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
[x86 setup] Correct the SMAP check for INT 0x15, AX=0xe820
+6
-3
arch/i386/boot/memory.c
+6
-3
arch/i386/boot/memory.c
···
28
29
do {
30
size = sizeof(struct e820entry);
31
-
id = SMAP;
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asm("int $0x15; setc %0"
33
-
: "=am" (err), "+b" (next), "+d" (id), "+c" (size),
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"=m" (*desc)
35
-
: "D" (desc), "a" (0xe820));
36
37
/* Some BIOSes stop returning SMAP in the middle of
38
the search loop. We don't know exactly how the BIOS
···
28
29
do {
30
size = sizeof(struct e820entry);
31
+
32
+
/* Important: %edx is clobbered by some BIOSes,
33
+
so it must be either used for the error output
34
+
or explicitly marked clobbered. */
35
asm("int $0x15; setc %0"
36
+
: "=d" (err), "+b" (next), "=a" (id), "+c" (size),
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"=m" (*desc)
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+
: "D" (desc), "d" (SMAP), "a" (0xe820));
39
40
/* Some BIOSes stop returning SMAP in the middle of
41
the search loop. We don't know exactly how the BIOS