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Message-ID: <202203161322.YnbEPtC7-lkp@intel.com>
Date: Wed, 16 Mar 2022 13:47:06 +0800
From: kernel test robot <lkp@...el.com>
To: Swathi Sridhar <swatsrid@...eaurora.org>
Cc: kbuild-all@...ts.01.org,
GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
linux-kernel@...r.kernel.org,
Saravana Kannan <saravanak@...gle.com>,
Sudarshan Rajagopalan <sudaraja@...eaurora.org>,
Prakash Gupta <guptap@...eaurora.org>,
Vinayak Menon <vinmenon@...eaurora.org>,
Mark Salyzyn <salyzyn@...gle.com>
Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable
464/9999] drivers/iommu/io-pgtable-arm.c:241:48: error: expected ')' before
'table_pte'
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable
head: 5b194414a86d3b098004ed42b64152b41940baf7
commit: 27de1978c331d4e7571a5d0187ef1802d65dbf65 [464/9999] ANDROID: GKI: iommu/io-pgtable-arm: LPAE related updates by vendor
config: sparc-buildonly-randconfig-r001-20220314 (https://download.01.org/0day-ci/archive/20220316/202203161322.YnbEPtC7-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/ammarfaizi2/linux-block/commit/27de1978c331d4e7571a5d0187ef1802d65dbf65
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable
git checkout 27de1978c331d4e7571a5d0187ef1802d65dbf65
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc SHELL=/bin/bash drivers/iommu/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
include/linux/dma-mapping.h:628:17: note: in expansion of macro 'WARN_ONCE'
628 | WARN_ONCE(1, "Remap function not implemented for %pS\n",
| ^~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:134:9: note: in expansion of macro 'if'
134 | if (unlikely(__ret_warn_on)) \
| ^~
include/asm-generic/bug.h:166:17: note: in expansion of macro 'WARN'
166 | WARN(1, format); \
| ^~~~
include/linux/dma-mapping.h:628:17: note: in expansion of macro 'WARN_ONCE'
628 | WARN_ONCE(1, "Remap function not implemented for %pS\n",
| ^~~~~~~~~
include/linux/dma-mapping.h: In function 'dma_unremap':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/asm-generic/bug.h:164:9: note: in expansion of macro 'if'
164 | if (unlikely(__ret_warn_once && !__warned)) { \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:164:13: note: in expansion of macro 'unlikely'
164 | if (unlikely(__ret_warn_once && !__warned)) { \
| ^~~~~~~~
include/linux/dma-mapping.h:643:17: note: in expansion of macro 'WARN_ONCE'
643 | WARN_ONCE(1, "unremap function not implemented for %pS\n",
| ^~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:164:9: note: in expansion of macro 'if'
164 | if (unlikely(__ret_warn_once && !__warned)) { \
| ^~
include/linux/dma-mapping.h:643:17: note: in expansion of macro 'WARN_ONCE'
643 | WARN_ONCE(1, "unremap function not implemented for %pS\n",
| ^~~~~~~~~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/asm-generic/bug.h:134:9: note: in expansion of macro 'if'
134 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:134:13: note: in expansion of macro 'unlikely'
134 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
include/asm-generic/bug.h:166:17: note: in expansion of macro 'WARN'
166 | WARN(1, format); \
| ^~~~
include/linux/dma-mapping.h:643:17: note: in expansion of macro 'WARN_ONCE'
643 | WARN_ONCE(1, "unremap function not implemented for %pS\n",
| ^~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:134:9: note: in expansion of macro 'if'
134 | if (unlikely(__ret_warn_on)) \
| ^~
include/asm-generic/bug.h:166:17: note: in expansion of macro 'WARN'
166 | WARN(1, format); \
| ^~~~
include/linux/dma-mapping.h:643:17: note: in expansion of macro 'WARN_ONCE'
643 | WARN_ONCE(1, "unremap function not implemented for %pS\n",
| ^~~~~~~~~
In file included from arch/sparc/include/asm/page.h:8,
from arch/sparc/include/asm/thread_info_64.h:27,
from arch/sparc/include/asm/thread_info.h:5,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from include/linux/scatterlist.h:8,
from include/linux/iommu.h:22,
from drivers/iommu/io-pgtable-arm.c:25:
drivers/iommu/io-pgtable-arm.c: At top level:
>> drivers/iommu/io-pgtable-arm.c:241:48: error: expected ')' before 'table_pte'
241 | static arm_lpae_iopte iopte_val(arm_lpae_iopte table_pte)
| ^~~~~~~~~
arch/sparc/include/asm/page_64.h:77:27: note: in definition of macro 'iopte_val'
77 | #define iopte_val(x) ((x).iopte)
| ^
>> arch/sparc/include/asm/page_64.h:77:29: error: expected ')' before '.' token
77 | #define iopte_val(x) ((x).iopte)
| ^
drivers/iommu/io-pgtable-arm.c:241:23: note: in expansion of macro 'iopte_val'
241 | static arm_lpae_iopte iopte_val(arm_lpae_iopte table_pte)
| ^~~~~~~~~
drivers/iommu/io-pgtable-arm.c: In function 'iopte_tblcnt_set':
>> arch/sparc/include/asm/page_64.h:77:29: error: request for member 'iopte' in something not a structure or union
77 | #define iopte_val(x) ((x).iopte)
| ^
drivers/iommu/io-pgtable-arm.c:266:30: note: in expansion of macro 'iopte_val'
266 | arm_lpae_iopte pte = iopte_val(*table_pte);
| ^~~~~~~~~
drivers/iommu/io-pgtable-arm.c: In function '__arm_lpae_alloc_pages':
drivers/iommu/io-pgtable-arm.c:312:23: error: implicit declaration of function 'io_pgtable_alloc_pages_exact' [-Werror=implicit-function-declaration]
312 | void *pages = io_pgtable_alloc_pages_exact(cfg, cookie, size,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iommu/io-pgtable-arm.c:312:23: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
drivers/iommu/io-pgtable-arm.c:337:9: error: implicit declaration of function 'io_pgtable_free_pages_exact' [-Werror=implicit-function-declaration]
337 | io_pgtable_free_pages_exact(cfg, cookie, pages, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/barrier.h:20,
from arch/sparc/include/asm/barrier_64.h:59,
from arch/sparc/include/asm/barrier.h:5,
from arch/sparc/include/asm/atomic_64.h:13,
from arch/sparc/include/asm/atomic.h:5,
from include/linux/atomic.h:7,
from drivers/iommu/io-pgtable-arm.c:23:
drivers/iommu/io-pgtable-arm.c: In function 'arm_lpae_init_pte':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/asm-generic/bug.h:134:9: note: in expansion of macro 'if'
134 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:134:13: note: in expansion of macro 'unlikely'
134 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
include/linux/ratelimit.h:107:19: note: in expansion of macro 'WARN'
107 | int rtn = WARN(condition, format, ##__VA_ARGS__); \
| ^~~~
drivers/iommu/io-pgtable-arm.c:405:17: note: in expansion of macro 'WARN_RATELIMIT'
405 | WARN_RATELIMIT(1, "map without unmap\n");
| ^~~~~~~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:134:9: note: in expansion of macro 'if'
134 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/ratelimit.h:107:19: note: in expansion of macro 'WARN'
107 | int rtn = WARN(condition, format, ##__VA_ARGS__); \
| ^~~~
drivers/iommu/io-pgtable-arm.c:405:17: note: in expansion of macro 'WARN_RATELIMIT'
405 | WARN_RATELIMIT(1, "map without unmap\n");
| ^~~~~~~~~~~~~~
drivers/iommu/io-pgtable-arm.c: In function '__arm_lpae_map':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:125:13: note: in expansion of macro 'unlikely'
125 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
--
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:125:13: note: in expansion of macro 'unlikely'
125 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:125:13: note: in expansion of macro 'unlikely'
125 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:127:9: note: in expansion of macro 'unlikely'
127 | unlikely(__ret_warn_on); \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:13: note: in expansion of macro 'WARN_ON'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
drivers/iommu/io-pgtable-arm.c:515:9: note: in expansion of macro 'if'
515 | if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
| ^~
In file included from arch/sparc/include/asm/page.h:8,
from arch/sparc/include/asm/thread_info_64.h:27,
from arch/sparc/include/asm/thread_info.h:5,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from include/linux/scatterlist.h:8,
from include/linux/iommu.h:22,
from drivers/iommu/io-pgtable-arm.c:25:
>> arch/sparc/include/asm/page_64.h:77:29: error: request for member 'iopte' in something not a structure or union
77 | #define iopte_val(x) ((x).iopte)
| ^
arch/sparc/include/asm/page_64.h:148:60: note: in definition of macro '__va'
148 | #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
| ^
drivers/iommu/io-pgtable-arm.c:186:15: note: in expansion of macro 'iopte_val'
186 | (__va(iopte_val(pte) & ((1ULL << ARM_LPAE_MAX_ADDR_BITS) - 1) \
| ^~~~~~~~~
drivers/iommu/io-pgtable-arm.c:535:25: note: in expansion of macro 'iopte_deref'
535 | cptep = iopte_deref(pte, data);
| ^~~~~~~~~~~
In file included from include/asm-generic/barrier.h:20,
from arch/sparc/include/asm/barrier_64.h:59,
from arch/sparc/include/asm/barrier.h:5,
from arch/sparc/include/asm/atomic_64.h:13,
from arch/sparc/include/asm/atomic.h:5,
from include/linux/atomic.h:7,
from drivers/iommu/io-pgtable-arm.c:23:
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:125:13: note: in expansion of macro 'unlikely'
125 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:538:17: note: in expansion of macro 'WARN_ON'
538 | WARN_ON(!selftest_running);
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
drivers/iommu/io-pgtable-arm.c:538:17: note: in expansion of macro 'WARN_ON'
538 | WARN_ON(!selftest_running);
| ^~~~~~~
drivers/iommu/io-pgtable-arm.c: In function 'arm_lpae_prot_to_pte':
drivers/iommu/io-pgtable-arm.c:572:33: error: 'IOMMU_USE_UPSTREAM_HINT' undeclared (first use in this function)
572 | else if (prot & IOMMU_USE_UPSTREAM_HINT)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:572:22: note: in expansion of macro 'if'
572 | else if (prot & IOMMU_USE_UPSTREAM_HINT)
| ^~
drivers/iommu/io-pgtable-arm.c:572:33: note: each undeclared identifier is reported only once for each function it appears in
572 | else if (prot & IOMMU_USE_UPSTREAM_HINT)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:572:22: note: in expansion of macro 'if'
572 | else if (prot & IOMMU_USE_UPSTREAM_HINT)
| ^~
drivers/iommu/io-pgtable-arm.c:575:33: error: 'IOMMU_USE_LLC_NWA' undeclared (first use in this function)
575 | else if (prot & IOMMU_USE_LLC_NWA)
| ^~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:575:22: note: in expansion of macro 'if'
575 | else if (prot & IOMMU_USE_LLC_NWA)
| ^~
drivers/iommu/io-pgtable-arm.c: In function 'arm_lpae_map':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:37: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
drivers/iommu/io-pgtable-arm.c:610:9: note: in expansion of macro 'if'
610 | if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
| ^~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:125:9: note: in expansion of macro 'if'
125 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:125:13: note: in expansion of macro 'unlikely'
125 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
drivers/iommu/io-pgtable-arm.c:610:13: note: in expansion of macro 'WARN_ON'
610 | if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
..
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for FRAME_POINTER
Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS || MCOUNT
Selected by
- LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !X86
vim +241 drivers/iommu/io-pgtable-arm.c
219
220 /*
221 * We'll use some ignored bits in table entries to keep track of the number
222 * of page mappings beneath the table. The maximum number of entries
223 * beneath any table mapping in armv8 is 8192 (which is possible at the
224 * 2nd- and 3rd-level when using a 64K granule size). The bits at our
225 * disposal are:
226 *
227 * 4k granule: [54..52], [11..2]
228 * 64k granule: [54..52], [15..2]
229 *
230 * [54..52], [11..2] is enough bits for tracking table mappings at any
231 * level for any granule, so we'll use those.
232 */
233 #define BOTTOM_IGNORED_MASK 0x3ff
234 #define BOTTOM_IGNORED_SHIFT 2
235 #define BOTTOM_IGNORED_NUM_BITS 10
236 #define TOP_IGNORED_MASK 0x7ULL
237 #define TOP_IGNORED_SHIFT 52
238 #define IOPTE_RESERVED_MASK ((BOTTOM_IGNORED_MASK << BOTTOM_IGNORED_SHIFT) | \
239 (TOP_IGNORED_MASK << TOP_IGNORED_SHIFT))
240
> 241 static arm_lpae_iopte iopte_val(arm_lpae_iopte table_pte)
242 {
243 return table_pte & ~IOPTE_RESERVED_MASK;
244 }
245
---
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