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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Scott Wood <scottwood@freescale.com>
Cc: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 10/31] powerpc/mm: Don't use pmd_val, pud_val and pgd_val as lvalue
Date: Tue, 22 Sep 2015 12:15:58 +0530	[thread overview]
Message-ID: <87a8sf3qah.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <20150922022341.GB12728@home.buserror.net>

Scott Wood <scottwood@freescale.com> writes:

> On Mon, Sep 21, 2015 at 12:10:37PM +0530, Aneesh Kumar K.V wrote:
>>  /* PUD level exusts only on 4k pages */
>>  #ifndef CONFIG_PPC_64K_PAGES
>>  typedef struct { unsigned long pud; } pud_t;
>> -#define pud_val(x)	((x).pud)
>>  #define __pud(x)	((pud_t) { (x) })
>> +static inline unsigned long pud_val(pud_t pud)
>> +{
>> +	return x.pud;
>> +}
>>  #endif /* !CONFIG_PPC_64K_PAGES */
>
> Where does "x" come from in this inline function?
>
> This breaks the build with CONFIG_MM_STRICT_TYPECHECKS.


That should be

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index e555f273716d..31835988c12a 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -311,7 +311,7 @@ static inline unsigned long pmd_val(pmd_t x)
 #ifndef CONFIG_PPC_64K_PAGES
 typedef struct { unsigned long pud; } pud_t;
 #define __pud(x)	((pud_t) { (x) })
-static inline unsigned long pud_val(pud_t pud)
+static inline unsigned long pud_val(pud_t x)
 {
 	return x.pud;
 }


-aneesh

  reply	other threads:[~2015-09-22  6:47 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-21  6:40 [PATCH 00/31] powerpc/mm: Update page table format for book3s 64 Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 01/31] powerpc/mm: move pte headers to book3s directory Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 02/31] powerpc/mm: move pte headers to book3s directory (part 2) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 03/31] powerpc/mm: make a separate copy for book3s Aneesh Kumar K.V
2015-09-21 21:58   ` Scott Wood
2015-09-22  6:42     ` Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 04/31] powerpc/mm: make a separate copy for book3s (part 2) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 05/31] powerpc/mm: Move hash specific pte width and other defines to book3s Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 06/31] powerpc/mm: Delete booke bits from book3s Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 07/31] powerpc/mm: Don't have generic headers introduce functions touching pte bits Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 08/31] powerpc/mm: Drop pte-common.h from BOOK3S 64 Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 09/31] powerpc/mm: Don't use pte_val as lvalue Aneesh Kumar K.V
2015-09-22  2:22   ` Scott Wood
2015-09-22  6:44     ` Aneesh Kumar K.V
2015-09-22  6:46       ` Scott Wood
2015-09-21  6:40 ` [PATCH 10/31] powerpc/mm: Don't use pmd_val, pud_val and pgd_val " Aneesh Kumar K.V
2015-09-22  2:23   ` Scott Wood
2015-09-22  6:45     ` Aneesh Kumar K.V [this message]
2015-09-21  6:40 ` [PATCH 11/31] powerpc/mm: Move hash64 PTE bits from book3s/64/pgtable.h to hash.h Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 12/31] powerpc/mm: Move PTE bits from generic functions to hash64 functions Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 13/31] powerpc/booke: Move booke headers (part 1) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 14/31] powerpc/booke: Move booke headers (part 2) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 15/31] powerpc/booke: Move booke headers (part 3) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 16/31] powerpc/booke: Move booke headers (part 4) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 17/31] powerpc/booke: Move booke headers (part 5) Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 18/31] powerpc/mm: Increase the pte frag size Aneesh Kumar K.V
2015-09-21  8:14   ` Benjamin Herrenschmidt
2015-09-21  8:45     ` Aneesh Kumar K.V
2015-09-21 11:06       ` Benjamin Herrenschmidt
2015-09-21 11:53         ` Aneesh Kumar K.V
2015-09-23 21:37           ` Benjamin Herrenschmidt
2015-09-28  4:55             ` Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 19/31] powerpc/mm: Convert 4k hash insert to C Aneesh Kumar K.V
2015-09-21  8:16   ` Benjamin Herrenschmidt
2015-09-21  8:57     ` Aneesh Kumar K.V
2015-09-29  8:13     ` Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 20/31] powerpc/mm: update __real_pte to take address as argument Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 21/31] powerpc/mm: make pte page hash index slot 8 bits Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 22/31] powerpc/mm: Don't track subpage valid bit in pte_t Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 23/31] powerpc/mm: Increase the width of #define Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 24/31] powerpc/mm: Convert __hash_page_64K to C Aneesh Kumar K.V
2015-09-23 13:56   ` Anshuman Khandual
2015-09-28  4:58     ` Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 25/31] powerpc/mm: Convert 4k insert from asm " Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 26/31] powerpc/mm: Remove the dependency on pte bit position in asm code Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 27/31] powerpc/mm: Add helper for converting pte bit to hpte bits Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 28/31] powerpc/mm: Move WIMG update to helper Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 29/31] powerpc/mm: Move hugetlb related headers Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 30/31] powerpc/mm: Move THP headers around Aneesh Kumar K.V
2015-09-21  6:40 ` [PATCH 31/31] powerpc/mm: Add a _PAGE_PTE bit Aneesh Kumar K.V
2015-09-21 21:48 ` [PATCH 00/31] powerpc/mm: Update page table format for book3s 64 Scott Wood
2015-09-22  6:48   ` Aneesh Kumar K.V
2015-09-22  6:57     ` Scott Wood
2015-09-28  4:56       ` Aneesh Kumar K.V
2015-09-28 16:41         ` Scott Wood
2015-09-30  1:44           ` Michael Ellerman
2015-09-29  0:12         ` Benjamin Herrenschmidt

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