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authorMauro Carvalho Chehab <[email protected]>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <[email protected]>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /arch/arm/mm/dump.c
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'arch/arm/mm/dump.c')
-rw-r--r--arch/arm/mm/dump.c50
1 files changed, 35 insertions, 15 deletions
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index 2b3a56414271..c508f41a43bc 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -120,34 +120,51 @@ static const struct prot_bits pte_bits[] = {
};
static const struct prot_bits section_bits[] = {
-#ifndef CONFIG_ARM_LPAE
- /* These are approximate */
+#ifdef CONFIG_ARM_LPAE
+ {
+ .mask = PMD_SECT_USER,
+ .val = PMD_SECT_USER,
+ .set = "USR",
+ }, {
+ .mask = PMD_SECT_RDONLY,
+ .val = PMD_SECT_RDONLY,
+ .set = "ro",
+ .clear = "RW",
+#elif __LINUX_ARM_ARCH__ >= 6
{
- .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
- .val = 0,
+ .mask = PMD_SECT_APX | PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .val = PMD_SECT_APX | PMD_SECT_AP_WRITE,
.set = " ro",
}, {
- .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .mask = PMD_SECT_APX | PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
.val = PMD_SECT_AP_WRITE,
.set = " RW",
}, {
- .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .mask = PMD_SECT_APX | PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
.val = PMD_SECT_AP_READ,
.set = "USR ro",
}, {
- .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .mask = PMD_SECT_APX | PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
.val = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
.set = "USR RW",
-#else
+#else /* ARMv4/ARMv5 */
+ /* These are approximate */
{
- .mask = PMD_SECT_USER,
- .val = PMD_SECT_USER,
- .set = "USR",
+ .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .val = 0,
+ .set = " ro",
}, {
- .mask = PMD_SECT_RDONLY,
- .val = PMD_SECT_RDONLY,
- .set = "ro",
- .clear = "RW",
+ .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .val = PMD_SECT_AP_WRITE,
+ .set = " RW",
+ }, {
+ .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .val = PMD_SECT_AP_READ,
+ .set = "USR ro",
+ }, {
+ .mask = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .val = PMD_SECT_AP_READ | PMD_SECT_AP_WRITE,
+ .set = "USR RW",
#endif
}, {
.mask = PMD_SECT_XN,
@@ -264,6 +281,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
note_page(st, addr, 3, pmd_val(*pmd));
else
walk_pte(st, pmd, addr);
+
+ if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1]))
+ note_page(st, addr + SECTION_SIZE, 3, pmd_val(pmd[1]));
}
}