From: Michael Ellerman <mpe@ellerman.id.au>
To: linuxppc-dev@ozlabs.org
Cc: aneesh.kumar@linux.vnet.ibm.com
Subject: [PATCH v6 04/19] powerpc/mm: Remove checks that TASK_SIZE_USER64 is too small
Date: Thu, 30 Mar 2017 23:03:52 +1100 [thread overview]
Message-ID: <1490875447-4016-4-git-send-email-mpe@ellerman.id.au> (raw)
In-Reply-To: <1490875447-4016-1-git-send-email-mpe@ellerman.id.au>
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Remove the checks that TASK_SIZE_USER64 is smaller than H_PGTABLE_RANGE
and USER_VSID_RANGE.
In a following patch we will deliberately add support for a TASK_SIZE
smaller than both ranges, so this will no longer be an error condition.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[mpe: Keep the check in pgtable_64.c that we don't exceed USER_VSID_RANGE]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/powerpc/mm/init_64.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 9be992083d2a..8f6f2a173e47 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -71,10 +71,6 @@
#if H_PGTABLE_RANGE > USER_VSID_RANGE
#warning Limited user VSID range means pagetable space is wasted
#endif
-
-#if (TASK_SIZE_USER64 < H_PGTABLE_RANGE) && (TASK_SIZE_USER64 < USER_VSID_RANGE)
-#warning TASK_SIZE is smaller than it needs to be.
-#endif
#endif /* CONFIG_PPC_STD_MMU_64 */
phys_addr_t memstart_addr = ~0;
--
2.7.4
next prev parent reply other threads:[~2017-03-30 12:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 12:03 [PATCH v6 01/19] powerpc/mm/slice: Convert slice_mask high slice to a bitmap Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 02/19] powerpc/mm/slice: Update the function prototype Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 03/19] powerpc/mm: Move copy_mm_to_paca to paca.c Michael Ellerman
2017-03-30 12:03 ` Michael Ellerman [this message]
2017-03-30 12:03 ` [PATCH v6 05/19] powerpc/mm/slice: Move slice_mask struct definition to slice.c Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 06/19] powerpc/mm/slice: Update slice mask printing to use bitmap printing Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 07/19] powerpc/mm/hash: Abstract context id allocation for KVM Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 08/19] powerpc/mm/hash: Pull hash constants into hash__alloc_context_id() Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 09/19] powerpc/mm: Split radix vs hash mm context initialisation Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 10/19] powerpc/mm/hash: Use context ids 1-4 for the kernel Michael Ellerman
2017-04-28 10:57 ` Michal Suchánek
2017-04-28 12:05 ` Michael Ellerman
2017-03-30 12:03 ` [PATCH v6 11/19] powerpc/mm/hash: Check for non-kernel address in get_kernel_vsid() Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 12/19] powerpc/mm/hash: Support 68 bit VA Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 13/19] powerpc/mm/hash: Convert mask to unsigned long Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 14/19] powerpc/mm/hash: Increase VA range to 128TB Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 15/19] powerpc/mm: Add addr_limit to mm_context and use it to derive max slice index Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 16/19] powerpc/mm/hash: Store addr_limit in PACA Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 17/19] powerpc/pseries: Skip using reserved virtual address range Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 18/19] powerpc/mm: Switch some TASK_SIZE checks to use mm_context addr_limit Michael Ellerman
2017-03-30 12:04 ` [PATCH v6 19/19] powerpc/mm: Enable mappings above 128TB Michael Ellerman
2017-04-03 10:13 ` [v6, 01/19] powerpc/mm/slice: Convert slice_mask high slice to a bitmap Michael Ellerman
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