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2016-09-10ACPICA: Tables: Remove wrong table event macrosLv Zheng1-9/+5
ACPICA commit fcc129d04f865161f308d3b8743496cc3f4d233e There are wrong table event macros, this patch cleans them up. Link: https://bugs.acpica.org/show_bug.cgi?id=1321 Link: https://github.com/acpica/acpica/commit/fcc129d0 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-10ACPICA: Tables: Remove acpi_tb_install_fixed_table()Lv Zheng3-80/+16
ACPICA commit 42c7b848d2faa02c7691ef2c53ea741c23cd4665 acpi_tb_install_fixed_table() is now redundant as we've removed the fixed table indexing mechanism: Commit: 8ec3f459073e67e5c6d78507dec693064b3040a2 Subject: ACPICA: Tables: Fix global table list issues by removing fixed table indexes This patch cleans up the code accordingly. No functional change. Lv Zheng. Link: https://bugs.acpica.org/show_bug.cgi?id=1320 Link: https://github.com/acpica/acpica/commit/42c7b848 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-10ACPICA: Add a couple of casts to uthex.cBob Moore1-1/+2
ACPICA commit 2ba5d3fdaa24d66d67694cbae6ec66971a7a67c1 Required in some environments. Link: https://github.com/acpica/acpica/commit/2ba5d3fd Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-10ACPICA: Cleanup for all string-to-integer conversionsBob Moore17-391/+435
ACPICA commit e2e72a351201fd58e4694418859ae2c247dafca0 Consolidate multiple versions of strtoul64 to one common version. limit possible bases to either 10 or 16. Handles both implicit and explicit conversions. Added a 2-character ascii-to-hex function for GPEs and buffers. Adds a new file, utstrtoul64.c Link: https://github.com/acpica/acpica/commit/e2e72a35 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-10ACPICA: Debugger: Add subcommand for predefined name executionBob Moore4-29/+169
ACPICA commit be5808f0e642ff9963d86f362521b4af2340e2f5 "Execute Predefined" will execute all predefined (public) names within the namespace. Link: https://github.com/acpica/acpica/commit/be5808f0 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Update version to 20160729Bob Moore1-1/+1
ACPICA commit 1e997ab9a5b939533374fd567681f881cb97c4c7 Version 20160729. Link: https://github.com/acpica/acpica/commit/1e997ab9 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: OSL: Fix a regression that old GCC requires a workaround for strchr()Lv Zheng3-12/+62
ACPICA commit be836c36454a624a4fb1d17234080ef8c07993fc There is a GCC false-warning issue on specific GCC versions that "strchr" will be preprocessed and extracted to contain !__buildin_constant_p() checker and it surely is a constant logical value "1" for strchr() arguments. Then -Wlogical-op errorneously reports a warning. The regression is triggered after the standard headers are re-ordered in the EFI porting task. This patch fixes this regression by moving the workaround to a new position after including all other standard headers. Link: https://github.com/acpica/acpica/commit/be836c36 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: OSL: Cleanup the inclusion order of the compiler-specific headersLv Zheng3-8/+17
ACPICA commit a760a98ec84b1ec782e0bff5f6612af6fb89c10c Originally compiler specific headers are included by the host-specific headers. This makes build configuration management very inconvenient. And many inclusion order issues can be hidden accross different host OSes. It will then likely that some host builds will be broken just because of fixing some inclusion order issues for other host builds. This patch splits the compiler-specific header inclusions out of the host-specific headers so that compiler-specific inclusion order issues will not get entangled in the host-specific inclusion orders. Note that intel compiler defines __GNUC__, so this patch contains special handling because acintel.h and acgcc.h should be mutual exclusive. Link: https://github.com/acpica/acpica/commit/a760a98e Link: https://bugs.acpica.org/show_bug.cgi?id=1303 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: EFI: Port acpidump to EDK2 environmentLv Zheng2-2/+2
ACPICA commit 790b8bae858d6d97da6099c9f8485d4760035a0c Linux kernel is not affected by this change. Link: https://github.com/acpica/acpica/commit/790b8bae Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Applications: Fix a potential issue that help messages may be dumped to acpi_gbl_debug_fileLv Zheng1-3/+3
ACPICA commit d1b7372c7eb89cdba3d3c239fb07e2fdc5abf880 This is a regression fix, restoring usage macro to its original implementation. There is an issue for usage macros, if an command line option changed acpi_gbl_debug_file, then the follow up usage message may be errornously dumped to the debug file. This is just a bug in theory, because currently acpi_gbl_debug_file can only be modified by acpibin and acpiexec. And this will not trigger such issue because: 1. For acpibin, acpi_gbl_debug_file will be modified by "-t" option and the program exits after processing this option without dumping help message or other error options. 2. For acpiexec, acpi_gbl_debug_file will only be modified by the open command, which happens after parsing the command line options, so no help message will be dumped into the debug file. But maintaining this logic is difficult, so this patch modifies acpi_os_printf() into printf() for usage macros so that the help messages are ensured to be dumped to the stdout. Lv Zheng. Link: https://github.com/acpica/acpica/commit/d1b7372c Link: https://bugs.acpica.org/show_bug.cgi?id=1142 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib: Eliminate acpi_os_XXXFile()/acpi_log_error and link clibrary fxxx()/errno/perror() insteadLv Zheng12-371/+89
ACPICA commit 189429fb7d06cdb89043ae32d615faf553467f1d This patch follows new ACPICA design, eliminates old portable OSLs, and implements fopen/fread/fwrite/fclose/fseek/ftell for GNU EFI environment. This patch also eliminates acpi_log_error(), convering them into fprintf(stderr)/perror(). Lv Zheng. Link: https://github.com/acpica/acpica/commit/189429fb Link: https://bugs.acpica.org/show_bug.cgi?id=1302 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib: Add -nostdinc support for EFI layerLv Zheng6-55/+109
ACPICA commit d261d40ea168f8e4c4e3986de720b8651c4aba1c This patch adds sprintf()/snprintf()/vsnprintf()/printf()/vfprintf() support for OSPMs that have ACPI_USE_SYSTEM_CLIBRARY defined but do not have ACPI_USE_STANDARD_HEADERS defined. -iwithprefix include is required to include <stdarg.h> which contains compiler specific implementation of vargs when -nostdinc is specified. -fno-builtin is required for GCC to avoid optimization performed printf(). This optimization cannot be automatically disabled by specifying -nostdlib. Please refer to the first link below for the details. However, the build option changes do not affect Linux kernel builds and are not included. Lv Zheng. Link: http://www.ciselant.de/projects/gcc_printf/gcc_printf.html Link: https://github.com/acpica/acpica/commit/d261d40e Link: https://bugs.acpica.org/show_bug.cgi?id=1302 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: MSVC9: Fix <sys/stat.h> inclusion order issueLv Zheng5-3/+7
ACPICA commit 9bb265c2afb9910e46f820d6759648580edabd09 When /Za is specified, headers of some Windows SDKs contain bugs breaking VC builds, and MSVC9's default SDK is one of such header-buggy library. In order to solve this issue, many VC developers stop using /Za. However we've been asked to have this fixed without removing /Za. In MSVC9 default SDK, this issue can be fixed by restricting <sys/stat.h> to be the last standard file included by every source file in the projects. This patch thus moves <sys/stat.h> inclusion to "acapps.h", so that this issue can be fixed by ensuring that "acapps.h" is always the last standard file included by all of the ACPICA source files. This is in fact also a useful cleanup because applications can only include one header (e.x., acpidump.h) instead of including acapps.h separately. Lv Zheng. Except some harmless header inclusion re-ordering, Linux kernel is not affected by this change. Link: https://github.com/acpica/acpica/commit/9bb265c2 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib/EFI: Fix wrong order of standard integer types/IO handlesLv Zheng6-25/+22
ACPICA commit 7f9b359b7c78c69b07f62eb2d58f710c351fd75d EFI header should use standard C library stuffs (integer types and IO handles) rather than implementing such standard stuffs. This patch fixes this issue by: 1. Implementing standard integer types for ACPI_USE_STANDARD_HADERS=n; 2. Defining EFI types using standard integer types and standard IO handles; 3. Tuning header inclusion order and environment definition order; 4. Removing wrong standard header inclusion from ACPICA core files; 5. Moving several application headers from acpidump.h to acenv.h. This patch corrects some of them. Lv Zheng. Except some harmless header inclusion re-ordering, Linux kernel is not affected by this change. Link: https://github.com/acpica/acpica/commit/7f9b359b Link: https://bugs.acpica.org/show_bug.cgi?id=1300 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib: Fix wrong mini C library usageLv Zheng2-8/+6
ACPICA commit 4aab18466b56f3660f27cffd3c0160900737f844 When mini C library is used, we should have the following macros undefined. The only user should be the EFI applications: ACPI_USE_SYSTEM_CLIBRARY=n ACPI_USE_STANDARD_HEADERS=n All other applications uses the compiler specific library: ACPI_USE_SYSTEM_CLIBRARY=y ACPI_USE_STANDARD_HEADERS=y Linux/BSD kernels are the kind of hosts providing C library but does not provide the standard headers: ACPI_USE_SYSTEM_CLIBRARY=y ACPI_USE_STANDARD_HEADERS=n But the above logic hasn't been synchronized between the header files. This patch synchronizes all header files to correct C library usages for different platforms. This patch moves all ACPI_USE_SYSTEM_CLIRARY and ACPI_USE_STANDARD_HEADERS to the top most lines of a platform specific header. After synchronization, ACPI_USE_SYSTEM_CLIRARY definition can be removed for ACPI_APPLICATION. Lv Zheng. Link: https://github.com/acpica/acpica/commit/4aab1846 Link: https://bugs.acpica.org/show_bug.cgi?id=1299 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib: Cleanup va_arg related codeLv Zheng3-41/+6
ACPICA commit 32701b33cdc48d9bc43da8c9274cf172135b68fc We in fact always use the compiler specific stdarg.h for GCC even when ACPI_USE_STANDARD_HEADERS is not defined. So that the va_arg usages can always be correct for different compiler options. Likewise, the va_arg implemented in acenv.h is actually MSVC specific, this patch also moves it to acmsvc.h and tunes acwin.h to correctly use it. After cleaning up, this patch removes all <stdarg.h> inclusions from other files, but doesn't touch the BSD headers. Lv Zheng. Link: https://github.com/acpica/acpica/commit/32701b33 Link: https://bugs.acpica.org/show_bug.cgi?id=1298 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Clib: Fix build issues when ACPI_USE_STANDARD_HEADERS is not defined by converting size_t to acpi_sizeLv Zheng1-2/+2
ACPICA commit 7cf411136c69ef0b8f184b96599eb45c15b89226 When standard size_t is not defined due to ACPI_USE_STANDARD_HEADERS=n, we shouldn't use size_t, but should use acpi_size instead. This fixes such build issue. Lv Zheng. Link: https://github.com/acpica/acpica/commit/7cf41113 Link: https://bugs.acpica.org/show_bug.cgi?id=1296 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Applications: Enable USE_NATIVE_ALLOCATE_ZEROED environment for all applicationsLv Zheng1-1/+1
ACPICA commit 56920e2093d612ac6338dd8eb0fa89231446198f We now safe to enable USE_NATIVE_ALLOCATE_ZEROED for all applications as there are implementations in oswinxf.c, osunixxf.c and osefixf.c. Lv Zheng. Link: https://github.com/acpica/acpica/commit/56920e20 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: acpidump: Fix a duplicate variable definitionLv Zheng2-6/+1
ACPICA commit 080f99d5b29313380accd00d2b9768e809eb417b acpi_gbl_integer_byte_width has already been instantiated by ACPI_GLOBAL() in acglobal.h. Lv Zheng. Link: https://github.com/acpica/acpica/commit/080f99d5 Link: https://bugs.acpica.org/show_bug.cgi?id=1301 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: OSL: Add correct acpi_gbl_debug_timeout export to allow acpiexec to linkLv Zheng2-3/+1
ACPICA commit 408198c8c9786f9f104ee925020c3ab1701906e4 The acpi_gbl_debug_timeout which is used by acpiexec -et option now is only implemented in oswinxf.c and used for WIN32 builds. This makes it very difficult to remember that we need to add this variable to other os specific layer files in order for linking. This patch makes it a global option dependent on ACPI_APPLICATION so that it can always be linked by the applications. Lv Zheng. Link: https://github.com/acpica/acpica/commit/408198c8 Link: https://bugs.acpica.org/show_bug.cgi?id=1295 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Debugger: Fix wrong inclusions in dbfileio.cLv Zheng1-14/+6
ACPICA commit 649eb441fbef21965d10a1aca6ff41dcf23f8e05 dbfileio.c implements debugger functionalities that can only be used by the application layer debugger (acpiexec), thus it should always include <acapps.h> and thus shouldn't include <stdio.h> separately. Lv Zheng. Link: https://github.com/acpica/acpica/commit/649eb441 Link: https://bugs.acpica.org/show_bug.cgi?id=1292 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: FADT support cleanupBob Moore2-74/+100
ACPICA commit 34ccd43af3fd1870fddfac0617dd0ba706963558 Remove all vestiges of the version 2 FADT which never was included in the ACPI specification. This enabled significant cleanup of both the data table compiler and the disassembler. Added many clarification comments to associate each FADT version with the version of the ACPI spec where it was originally defined. Link: https://github.com/acpica/acpica/commit/34ccd43a Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Events: Introduce acpi_mask_gpe() to implement GPE masking mechanismLv Zheng7-23/+148
ACPICA commit 23a417ca406a527e7ae1710893e59a8b6db30e14 There is a facility in Linux, developers can control the enabling/disabling of a GPE via /sys/firmware/acpi/interrupts/gpexx. This is mainly for debugging purposes. But many users expect to use this facility to implement quirks to mask a specific GPE when there is a gap in Linux causing this GPE to flood. This is not working correctly because currently this facility invokes enabling/disabling counting based GPE driver APIs: acpi_enable_gpe()/acpi_disable_gpe() and the GPE drivers can still affect the count to mess up the GPE masking purposes. However, most of the IRQ chip designs allow masking/unmasking IRQs via a masking bit which is different from the enabled bit to achieve the same purpose. But the GPE hardware doesn't contain such a feature, this brings the trouble. In this patch, we introduce a software mechanism to implement the GPE masking feature, and acpi_mask_gpe() are provided to the OSPMs to mask/unmask GPEs in the above mentioned situation instead of acpi_enable_gpe()/acpi_disable_gpe(). ACPICA BZ 1102. Lv Zheng. Link: https://github.com/acpica/acpica/commit/23a417ca Link: https://bugs.acpica.org/show_bug.cgi?id=1102 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Use os_allocate_zeroedBob Moore1-3/+1
ACPICA commit 2b896c59e53243c95600f2a3f7e1fd02c044cb37 Eliminates an unnecessary memset. Suggested-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Link: https://github.com/acpica/acpica/commit/2b896c59 Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: iASL/Disassembler: Add a check for missing filenameBob Moore1-1/+1
ACPICA commit fc0f12b1eff6253f83e599a7ee1765fcc8e42dcc Add check for required filename for the -d and -da options. ACPICA BZ 1285. Link: https://github.com/acpica/acpica/commit/fc0f12b1 Link: https://bugs.acpica.org/show_bug.cgi?id=1285 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Divergence: Port declarators back to ACPICALv Zheng11-24/+39
ACPICA commit c160cae765412f5736cf88a9ebcc6138aa761a48 Linux uses asmlinkage and sparse macros to mark function symbols. This leads to the divergences between the Linux and the ACPICA. This patch ports such declarators back to ACPICA. Lv Zheng. Link: https://github.com/acpica/acpica/commit/c160cae7 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Simplify configuration for "Max Loops" system parameterBob Moore2-1/+5
ACPICA commit 857c510d70e18eecc275dd3087807a18bae8aa51 Allow for static configuration of this parameter. It is used to abort out of infinite loops caused by non-response from hardware. Link: https://github.com/acpica/acpica/commit/857c510d Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Disassembler: Add option to emit embedded External operators/opcodesBob Moore1-0/+1
ACPICA commit 152a8ca2c7fc877d6aff0f9d0965184ef2ddce5c Opcode 0x15 was added in ACPI 6.0 for disassemblers. The disassembler by default does not emit the actual opcodes, they are used internally. Option added for internal debugging only. This patch doesn't affect Linux kernel as disassembler is not in the Linux kernel. Link: https://github.com/acpica/acpica/commit/152a8ca2 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Debugger: Extend some max line lengthsBob Moore2-3/+3
ACPICA commit 622063bae684490191c8e8b10bf18e86d0ab4ebf Fix a couple of arbitrarily small output line lengths. Link: https://github.com/acpica/acpica/commit/622063ba Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Utilities: Introduce facility to allow Linux to set correct logging levelsLv Zheng2-0/+20
ACPICA commit 58c9e7b83ae35247e430c39363f55b6f70fa04a2 It is reported that the logging level of the ACPICA messages are not correct in the Linux kernel. This patch fixes this issue. Lv Zheng. Link: https://github.com/acpica/acpica/commit/58c9e7b8 Link: https://bugzilla.kernel.org/show_bug.cgi?id=117461 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Interpreter: Remove temporary code for External() opcodeBob Moore1-9/+8
ACPICA commit f2d349f8a11efc0f438ad6903564f3a6755dc6b9 The interpreter should never see this opcode (it is used by disassemblers), so the final implementation is to return an error. Link: https://github.com/acpica/acpica/commit/f2d349f8 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Fix deconstification warnings (-Wcast-qual) with acpi_ns_root_initialize().Jung-uk Kim1-3/+3
ACPICA commit 8b3b57c9d11d9c322e09cb06bedac7aa783458fd Link: https://github.com/acpica/acpica/commit/8b3b57c9 Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-13ACPICA: Fix deconstification warnings (-Wcast-qual) with function traces.Jung-uk Kim4-2/+48
ACPICA commit f722da0372261331b74d3ac67645bba912a21643 Link: https://github.com/acpica/acpica/commit/f722da03 Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-08-07Linux 4.8-rc1Linus Torvalds1-2/+2
2016-08-07block: rename bio bi_rw to bi_opfJens Axboe51-157/+158
Since commit 63a4cc24867d, bio->bi_rw contains flags in the lower portion and the op code in the higher portions. This means that old code that relies on manually setting bi_rw is most likely going to be broken. Instead of letting that brokeness linger, rename the member, to force old and out-of-tree code to break at compile time instead of at runtime. No intended functional changes in this commit. Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-07target: iblock_execute_sync_cache() should use bio_set_op_attrs()Jens Axboe1-1/+1
The original commit missed this function, it needs to mark it a write flush. Cc: Mike Christie <mchristi@redhat.com> Fixes: e742fc32fcb4 ("target: use bio op accessors") Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-07mm: make __swap_writepage() use bio_set_op_attrs()Jens Axboe1-2/+3
Cleaner than manipulating bio->bi_rw flags directly. Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-07block/mm: make bdev_ops->rw_page() take a bool for read/writeJens Axboe11-53/+51
Commit abf545484d31 changed it from an 'rw' flags type to the newer ops based interface, but now we're effectively leaking some bdev internals to the rest of the kernel. Since we only care about whether it's a read or a write at that level, just pass in a bool 'is_write' parameter instead. Then we can also move op_is_write() and friends back under CONFIG_BLOCK protection. Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-07fs: return EPERM on immutable inodeEryu Guan4-4/+5
In most cases, EPERM is returned on immutable inode, and there're only a few places returning EACCES. I noticed this when running LTP on overlayfs, setxattr03 failed due to unexpected EACCES on immutable inode. So converting all EACCES to EPERM on immutable inode. Acked-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-08-05ramoops: use persistent_ram_free() instead of kfree() for freeing przHiraku Toyooka1-3/+3
persistent_ram_zone(=prz) structures are allocated by persistent_ram_new(), which includes vmap() or ioremap(). But they are currently freed by kfree(). This uses persistent_ram_free() for correct this asymmetry usage. Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.kw@hitachi.com> Cc: Mark Salyzyn <salyzyn@android.com> Cc: Seiji Aguchi <seiji.aguchi.tr@hitachi.com> Signed-off-by: Kees Cook <keescook@chromium.org>
2016-08-05ramoops: use DT reserved-memory bindingsKees Cook4-33/+56
Instead of a ramoops-specific node, use a child node of /reserved-memory. This requires that of_platform_device_create() be explicitly called for the node, though, since "/reserved-memory" does not have its own "compatible" property. Suggested-by: Rob Herring <robh@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Rob Herring <robh@kernel.org>
2016-08-05NTB: ntb_hw_intel: use local variable pdevAllen Hubbe1-5/+5
Clean up duplicated expression by replacing it with the equivalent local variable pdev. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05NTB: ntb_hw_intel: show BAR size in debugfs infoAllen Hubbe1-1/+38
It will be useful to know the hardware configured BAR size to diagnose issues with NTB memory windows. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_test: Add a selftest script for the NTB subsystemLogan Gunthorpe2-0/+423
This script automates testing doorbells, scratchpads and memory windows for an NTB device. It can be run locally, with the NTB looped back to the same host or use SSH to remotely control the second host. In the single host case, the script just needs to be passed two arguments: a PCI ID for each side of the link. In the two host case the -r option must be used to specify the remote hostname (which must be SSH accessible and should probably have ssh-keys exchanged). A sample run looks like this: $ sudo ./ntb_test.sh 0000:03:00.1 0000:83:00.1 -p 29 Starting ntb_tool tests... Running link tests on: 0000:03:00.1 / 0000:83:00.1 Passed Running link tests on: 0000:83:00.1 / 0000:03:00.1 Passed Running db tests on: 0000:03:00.1 / 0000:83:00.1 Passed Running db tests on: 0000:83:00.1 / 0000:03:00.1 Passed Running spad tests on: 0000:03:00.1 / 0000:83:00.1 Passed Running spad tests on: 0000:83:00.1 / 0000:03:00.1 Passed Running mw0 tests on: 0000:03:00.1 / 0000:83:00.1 Passed Running mw0 tests on: 0000:83:00.1 / 0000:03:00.1 Passed Running mw1 tests on: 0000:03:00.1 / 0000:83:00.1 Passed Running mw1 tests on: 0000:83:00.1 / 0000:03:00.1 Passed Starting ntb_pingpong tests... Running ping pong tests on: 0000:03:00.1 / 0000:83:00.1 Passed Starting ntb_perf tests... Running local perf test without DMA 0: copied 536870912 bytes in 164453 usecs, 3264 MBytes/s Passed Running remote perf test without DMA 0: copied 536870912 bytes in 164453 usecs, 3264 MBytes/s Passed Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_perf: clear link_is_up flag when the link goes down.Logan Gunthorpe1-19/+9
When the link goes down, the link_is_up flag did not return to false. This could have caused some subtle corner case bugs when the link goes up and down quickly. Once that was fixed, there was found to be a race if the link was brought down then immediately up. The link_cleanup work would occasionally be scheduled after the next link up event. This would cancel the link_work that was supposed to occur and leave ntb_perf in an unusable state. To fix this we get rid of the link_cleanup work and put the actions directly in the link_down event. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_pingpong: Add a debugfs file to get the ping countLogan Gunthorpe1-1/+61
This commit adds a debugfs 'count' file to ntb_pingpong. This is so testing with ntb_pingpong can be automated beyond just checking the logs for pong messages. The count file returns a number which increments every pong. The counter can be cleared by writing a zero. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_tool: Add link status and files to debugfsLogan Gunthorpe1-0/+92
In order to more successfully script with ntb_tool it's useful to have a link file to check the link status so that the script doesn't use the other files until the link is up. This commit adds a 'link' file to the debugfs directory which reads boolean (Y or N) depending on the link status. Writing to the file change the link state using ntb_link_enable or ntb_link_disable. A 'link_event' file is also provided so an application can block until the link changes to the desired state. If the user writes a 1, it will block until the link is up. If the user writes a 0, it will block until the link is down. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_tool: Postpone memory window initialization for the userLogan Gunthorpe1-138/+228
In order to make the interface closer to the raw NTB API, this commit changes memory windows so they are not initialized on link up. Instead, the 'peer_trans*' debugfs files are introduced. When read, they return information provided by ntb_mw_get_range. When written, they create a buffer and initialize the memory window. The value written is taken as the requested size of the buffer (which is then rounded for alignment). Writing a value of zero frees the buffer and tears down the memory window translation. The 'peer_mw*' file is only created once the memory window translation is setup by the user. Additionally, it was noticed that the read and write functions for the 'peer_mw*' files should have checked for a NULL pointer. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_perf: Wait for link before running testLogan Gunthorpe1-1/+4
Instead of returning immediately with an error when the link is down, wait for the link to come up (or the user sends a SIGINT). This is to make scripting ntb_perf easier. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-08-05ntb_perf: Return results by reading the run fileLogan Gunthorpe1-12/+55
Instead of having to watch logs, allow the results to be retrieved by reading back the run file. This file will return "running" when the test is running and nothing if no tests have been run yet. It returns 1 line per thread, and will display an error message if the corresponding thread returns an error. With the above change, the pr_info calls that returned the results are then changed to pr_debug calls. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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