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Revert "s390/smp,ptdump: add absolute lowcore markers"

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This reverts commit e409b7f191.

Commit 7d06fed77b ("s390/smp: rework absolute lowcore access")
introduced mutex lock with interrupts disabled. This commit is
a follow-up that needs to be reverted as well.

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Alexander Gordeev 2022-08-06 09:13:28 +02:00
parent ded466e180
commit 3fb39cb7c5
1 changed files with 0 additions and 7 deletions
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7
arch/s390/mm/dump_pagetables.c
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@ -8,7 +8,6 @@
#include <linux/kasan.h>
#include <asm/ptdump.h>
#include <asm/kasan.h>
#include <asm/abs_lowcore.h>
#include <asm/nospec-branch.h>
#include <asm/sections.h>
@ -40,8 +39,6 @@ enum address_markers_idx {
VMALLOC_END_NR,
MODULES_NR,
MODULES_END_NR,
ABS_LOWCORE_NR,
ABS_LOWCORE_END_NR,
};
static struct addr_marker address_markers[] = {
@ -65,8 +62,6 @@ static struct addr_marker address_markers[] = {
[VMALLOC_END_NR] = {0, "vmalloc Area End"},
[MODULES_NR] = {0, "Modules Area Start"},
[MODULES_END_NR] = {0, "Modules Area End"},
[ABS_LOWCORE_NR] = {0, "Lowcore Area Start"},
[ABS_LOWCORE_END_NR] = {0, "Lowcore Area End"},
{ -1, NULL }
};
@ -283,8 +278,6 @@ static int pt_dump_init(void)
address_markers[IDENTITY_AFTER_END_NR].start_address = ident_map_size;
address_markers[MODULES_NR].start_address = MODULES_VADDR;
address_markers[MODULES_END_NR].start_address = MODULES_END;
address_markers[ABS_LOWCORE_NR].start_address = __abs_lowcore;
address_markers[ABS_LOWCORE_END_NR].start_address = __abs_lowcore + ABS_LOWCORE_MAP_SIZE;
address_markers[VMEMMAP_NR].start_address = (unsigned long) vmemmap;
address_markers[VMEMMAP_END_NR].start_address = (unsigned long)vmemmap + vmemmap_size;
address_markers[VMALLOC_NR].start_address = VMALLOC_START;