tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
parisc: Move hpmc stack into page aligned bss section
Do not reserve space in data section for hpmc stack, instead move it
into the page aligned bss section.
Signed-off-by: Helge Deller <deller@gmx.de>
+8
-4
+8
-4
arch/parisc/kernel/hpmc.S
+8
-4
arch/parisc/kernel/hpmc.S
···
41
41
*/
42
42
43
43
.level 1.1
44
-
.data
45
44
46
45
#include <asm/assembly.h>
47
46
#include <asm/pdc.h>
48
47
49
48
#include <linux/linkage.h>
49
+
#include <linux/init.h>
50
50
51
51
/*
52
52
* stack for os_hpmc, the HPMC handler.
···
55
55
* IODC requires 7K byte stack. That leaves 1K byte for os_hpmc.
56
56
*/
57
57
58
+
__PAGE_ALIGNED_BSS
58
59
.align 4096
59
60
hpmc_stack:
60
61
.block 16384
61
62
62
63
#define HPMC_IODC_BUF_SIZE 0x8000
63
64
65
+
__PAGE_ALIGNED_BSS
64
66
.align 4096
65
67
hpmc_iodc_buf:
66
68
.block HPMC_IODC_BUF_SIZE
67
69
70
+
.section .bss
68
71
.align 8
69
72
hpmc_raddr:
70
73
.block 128
71
74
72
75
#define HPMC_PIM_DATA_SIZE 896 /* Enough to hold all architected 2.0 state */
73
76
77
+
.section .bss
74
78
.align 8
75
79
ENTRY(hpmc_pim_data)
76
80
.block HPMC_PIM_DATA_SIZE
···
301
297
nop
302
298
ENDPROC(os_hpmc)
303
299
.os_hpmc_end:
304
-
nop
305
-
.data
306
-
.align 4
300
+
301
+
302
+
__INITRODATA
307
303
.export os_hpmc_size
308
304
os_hpmc_size:
309
305
.word .os_hpmc_end-.os_hpmc