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Date: Thu, 3 Jun 2021 12:53:47 +0800
From: kernel test robot <lkp@...el.com>
To: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Subject: arch/sh/mm/cache-sh2a.c:71:46: sparse: sparse: incorrect type in
argument 1 (different base types)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 324c92e5e0ee0e993bdb106fac407846ed677f6b
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date: 9 months ago
config: sh-randconfig-s031-20210603 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
arch/sh/mm/cache-sh2a.c:31:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long @@
arch/sh/mm/cache-sh2a.c:31:16: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:31:16: sparse: got unsigned long
arch/sh/mm/cache-sh2a.c:34:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long @@
arch/sh/mm/cache-sh2a.c:34:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:34:17: sparse: got unsigned long
arch/sh/mm/cache-sh2a.c:43:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long @@
arch/sh/mm/cache-sh2a.c:43:9: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:43:9: sparse: got unsigned long
>> arch/sh/mm/cache-sh2a.c:71:46: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long [assigned] v @@
arch/sh/mm/cache-sh2a.c:71:46: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:71:46: sparse: got unsigned long [assigned] v
arch/sh/mm/cache-sh2a.c:73:33: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long [assigned] v @@
arch/sh/mm/cache-sh2a.c:73:33: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:73:33: sparse: got unsigned long [assigned] v
arch/sh/mm/cache-sh2a.c:136:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/mm/cache-sh2a.c:136:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:136:17: sparse: got unsigned int
arch/sh/mm/cache-sh2a.c:136:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/mm/cache-sh2a.c:136:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:136:17: sparse: got unsigned int
arch/sh/mm/cache-sh2a.c:170:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/mm/cache-sh2a.c:170:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:170:17: sparse: got unsigned int
arch/sh/mm/cache-sh2a.c:170:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/mm/cache-sh2a.c:170:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/mm/cache-sh2a.c:170:17: sparse: got unsigned int
--
>> arch/sh/kernel/cpu/sh2a/clock-sh7264.c:44:33: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:44:33: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:44:33: sparse: got unsigned int
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:93:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:94:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:95:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:96:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:97:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:98:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:99:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:100:20: sparse: sparse: Using plain integer as NULL pointer
arch/sh/kernel/cpu/sh2a/clock-sh7264.c:101:20: sparse: sparse: Using plain integer as NULL pointer
--
>> arch/sh/kernel/cpu/sh2a/setup-sh7264.c:474:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh2a/setup-sh7264.c:474:9: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh2a/setup-sh7264.c:474:9: sparse: got unsigned int
vim +71 arch/sh/mm/cache-sh2a.c
c1537b4863da62 Phil Edworthy 2012-01-09 45
c1537b4863da62 Phil Edworthy 2012-01-09 46 /*
c1537b4863da62 Phil Edworthy 2012-01-09 47 * Write back the dirty D-caches, but not invalidate them.
c1537b4863da62 Phil Edworthy 2012-01-09 48 */
a58e1a2ab4f633 Paul Mundt 2009-08-15 49 static void sh2a__flush_wback_region(void *start, int size)
cce2d453e4940d Yoshinori Sato 2008-08-04 50 {
c1537b4863da62 Phil Edworthy 2012-01-09 51 #ifdef CONFIG_CACHE_WRITEBACK
cce2d453e4940d Yoshinori Sato 2008-08-04 52 unsigned long v;
cce2d453e4940d Yoshinori Sato 2008-08-04 53 unsigned long begin, end;
cce2d453e4940d Yoshinori Sato 2008-08-04 54 unsigned long flags;
c1537b4863da62 Phil Edworthy 2012-01-09 55 int nr_ways;
cce2d453e4940d Yoshinori Sato 2008-08-04 56
cce2d453e4940d Yoshinori Sato 2008-08-04 57 begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
cce2d453e4940d Yoshinori Sato 2008-08-04 58 end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
cce2d453e4940d Yoshinori Sato 2008-08-04 59 & ~(L1_CACHE_BYTES-1);
c1537b4863da62 Phil Edworthy 2012-01-09 60 nr_ways = current_cpu_data.dcache.ways;
cce2d453e4940d Yoshinori Sato 2008-08-04 61
cce2d453e4940d Yoshinori Sato 2008-08-04 62 local_irq_save(flags);
cce2d453e4940d Yoshinori Sato 2008-08-04 63 jump_to_uncached();
cce2d453e4940d Yoshinori Sato 2008-08-04 64
c1537b4863da62 Phil Edworthy 2012-01-09 65 /* If there are too many pages then flush the entire cache */
c1537b4863da62 Phil Edworthy 2012-01-09 66 if (((end - begin) >> PAGE_SHIFT) >= MAX_OCACHE_PAGES) {
c1537b4863da62 Phil Edworthy 2012-01-09 67 begin = CACHE_OC_ADDRESS_ARRAY;
c1537b4863da62 Phil Edworthy 2012-01-09 68 end = begin + (nr_ways * current_cpu_data.dcache.way_size);
c1537b4863da62 Phil Edworthy 2012-01-09 69
cce2d453e4940d Yoshinori Sato 2008-08-04 70 for (v = begin; v < end; v += L1_CACHE_BYTES) {
c1537b4863da62 Phil Edworthy 2012-01-09 @71 unsigned long data = __raw_readl(v);
c1537b4863da62 Phil Edworthy 2012-01-09 72 if (data & SH_CACHE_UPDATED)
c1537b4863da62 Phil Edworthy 2012-01-09 73 __raw_writel(data & ~SH_CACHE_UPDATED, v);
cce2d453e4940d Yoshinori Sato 2008-08-04 74 }
c1537b4863da62 Phil Edworthy 2012-01-09 75 } else {
c1537b4863da62 Phil Edworthy 2012-01-09 76 int way;
c1537b4863da62 Phil Edworthy 2012-01-09 77 for (way = 0; way < nr_ways; way++) {
c1537b4863da62 Phil Edworthy 2012-01-09 78 for (v = begin; v < end; v += L1_CACHE_BYTES)
c1537b4863da62 Phil Edworthy 2012-01-09 79 sh2a_flush_oc_line(v, way);
cce2d453e4940d Yoshinori Sato 2008-08-04 80 }
cce2d453e4940d Yoshinori Sato 2008-08-04 81 }
cce2d453e4940d Yoshinori Sato 2008-08-04 82
cce2d453e4940d Yoshinori Sato 2008-08-04 83 back_to_cached();
cce2d453e4940d Yoshinori Sato 2008-08-04 84 local_irq_restore(flags);
c1537b4863da62 Phil Edworthy 2012-01-09 85 #endif
cce2d453e4940d Yoshinori Sato 2008-08-04 86 }
cce2d453e4940d Yoshinori Sato 2008-08-04 87
:::::: The code at line 71 was first introduced by commit
:::::: c1537b4863da620f12f5b42ece61bf65314148ed sh: sh2a: Improve cache flush/invalidate functions
:::::: TO: Phil Edworthy <phil.edworthy@...esas.com>
:::::: CC: Paul Mundt <lethal@...ux-sh.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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