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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 07:25:55 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 07:25:55 -0700
commitea1a25c3348abc33d7d94db28501766adf3d1c7d (patch)
treeca3c5c8b72532117034dd2d57a2a85eead13db7b /drivers/misc/cxl/fault.c
parent5e7ff2ca7f2da55fe777167849d0c93403bd0dc8 (diff)
parent262e2bfd7d1e1f1ee48b870e5dfabb87c06b975e (diff)
Merge branch 'jejb-fixes' into fixes
Diffstat (limited to 'drivers/misc/cxl/fault.c')
-rw-r--r--drivers/misc/cxl/fault.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 9a8650bcb042..377e650a2a1d 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -149,11 +149,13 @@ static void cxl_handle_page_fault(struct cxl_context *ctx,
* update_mmu_cache() will not have loaded the hash since current->trap
* is not a 0x400 or 0x300, so just call hash_page_mm() here.
*/
- access = _PAGE_PRESENT;
+ access = _PAGE_PRESENT | _PAGE_READ;
if (dsisr & CXL_PSL_DSISR_An_S)
- access |= _PAGE_RW;
- if ((!ctx->kernel) || ~(dar & (1ULL << 63)))
- access |= _PAGE_USER;
+ access |= _PAGE_WRITE;
+
+ access |= _PAGE_PRIVILEGED;
+ if ((!ctx->kernel) || (REGION_ID(dar) == USER_REGION_ID))
+ access &= ~_PAGE_PRIVILEGED;
if (dsisr & DSISR_NOHPTE)
inv_flags |= HPTE_NOHPTE_UPDATE;