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Message-ID: <ZIQzrRo0JhfBLDes@MiWiFi-R3L-srv>
Date: Sat, 10 Jun 2023 16:26:21 +0800
From: Baoquan He <bhe@...hat.com>
To: kernel test robot <lkp@...el.com>
Cc: linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
oe-kbuild-all@...ts.linux.dev, linux-arch@...r.kernel.org,
linux-mm@...ck.org, arnd@...db.de, christophe.leroy@...roup.eu,
hch@....de, rppt@...nel.org, willy@...radead.org,
agordeev@...ux.ibm.com, wangkefeng.wang@...wei.com,
schnelle@...ux.ibm.com, David.Laight@...lab.com, shorne@...il.com,
deller@....de, Brian Cain <bcain@...cinc.com>,
linux-hexagon@...r.kernel.org
Subject: Re: [PATCH v6 02/19] hexagon: mm: Convert to GENERIC_IOREMAP
On 06/09/23 at 07:09pm, kernel test robot wrote:
> Hi Baoquan,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on akpm-mm/mm-everything]
>
> url: https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/asm-generic-iomap-h-remove-ARCH_HAS_IOREMAP_xx-macros/20230609-160014
> base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> patch link: https://lore.kernel.org/r/20230609075528.9390-3-bhe%40redhat.com
> patch subject: [PATCH v6 02/19] hexagon: mm: Convert to GENERIC_IOREMAP
> config: hexagon-randconfig-r041-20230608 (https://download.01.org/0day-ci/archive/20230609/202306091859.NhlW2nny-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce (this is a W=1 build):
> mkdir -p ~/bin
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
> git fetch akpm-mm mm-everything
> git checkout akpm-mm/mm-everything
> b4 shazam https://lore.kernel.org/r/20230609075528.9390-3-bhe@redhat.com
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon prepare
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202306091859.NhlW2nny-lkp@intel.com/
Thanks for reporting. I reproduced them on my local machine. Below patch
can fix them. And by the way, I also saw the clone3 warning, and have to
made change in scripts/checksyscalls.sh to mute it, wondering how you
handle it in your testing.
------
stdin>:1520:2: warning: syscall clone3 not implemented [-W#warnings]
1520 | #warning syscall clone3 not implemented
| ^
1 warning generated.
------
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 1e5d2eeb726d..3a369b78edb7 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -148,6 +148,7 @@ cat << EOF
#define __IGNORE_nanosleep
#define __IGNORE_io_getevents
#define __IGNORE_recvmmsg
+#define __IGNORE_clone3
#endif
>From 6a86f4360a61a2b7b4d71172e5c03be554367553 Mon Sep 17 00:00:00 2001
From: root <root@...l-pem620-01.dell2.lab.eng.bos.redhat.com>
Date: Fri, 9 Jun 2023 21:21:36 -0400
Subject: [PATCH] hexagon: mm: fix warning in asm/io.h
Content-type: text/plain
Remove the old iounmap() declaration which is not consistent with the
standard one in asm-generic/io.h, let's use the standard one.
And also add macro definition of inb/w/l and outb/w/l to override
the definition of them in asm-generic/io.h.
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Baoquan He <bhe@...hat.com>
---
arch/hexagon/include/asm/io.h | 8 ++++++--
scripts/checksyscalls.sh | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
index dcd9cbbf5934..efe9cb00ebf8 100644
--- a/arch/hexagon/include/asm/io.h
+++ b/arch/hexagon/include/asm/io.h
@@ -27,8 +27,6 @@
extern int remap_area_pages(unsigned long start, unsigned long phys_addr,
unsigned long end, unsigned long flags);
-extern void iounmap(const volatile void __iomem *addr);
-
/* Defined in lib/io.c, needed for smc91x driver. */
extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen);
extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen);
@@ -207,16 +205,19 @@ static inline void memset_io(volatile void __iomem *addr, int value,
*
* Operates on "I/O bus I/O space"
*/
+#define inb inb
static inline u8 inb(unsigned long port)
{
return readb(_IO_BASE + (port & IO_SPACE_LIMIT));
}
+#define inw inw
static inline u16 inw(unsigned long port)
{
return readw(_IO_BASE + (port & IO_SPACE_LIMIT));
}
+#define inl inl
static inline u32 inl(unsigned long port)
{
return readl(_IO_BASE + (port & IO_SPACE_LIMIT));
@@ -227,16 +228,19 @@ static inline u32 inl(unsigned long port)
* @data: data to write to
* @addr: address in I/O space
*/
+#define outb outb
static inline void outb(u8 data, unsigned long port)
{
writeb(data, _IO_BASE + (port & IO_SPACE_LIMIT));
}
+#define outw outw
static inline void outw(u16 data, unsigned long port)
{
writew(data, _IO_BASE + (port & IO_SPACE_LIMIT));
}
+#define outl outl
static inline void outl(u32 data, unsigned long port)
{
writel(data, _IO_BASE + (port & IO_SPACE_LIMIT));
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