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Message-ID: <202012180016.1wPj4Oft-lkp@intel.com>
Date:   Fri, 18 Dec 2020 00:46:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        x86@...nel.org, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        Juergen Gross <jgross@...e.com>, Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH v3 10/15] x86/paravirt: simplify paravirt macros

Hi Juergen,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.10]
[cannot apply to xen-tip/linux-next tip/x86/core tip/x86/asm next-20201217]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Juergen-Gross/x86-major-paravirt-cleanup/20201217-173646
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git accefff5b547a9a1d959c7e76ad539bf2480e78b
config: x86_64-randconfig-a016-20201217 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/0d13a33e925f799d8487bcc597e2dc016d1fdd16
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Juergen-Gross/x86-major-paravirt-cleanup/20201217-173646
        git checkout 0d13a33e925f799d8487bcc597e2dc016d1fdd16
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
>> arch/x86/include/asm/paravirt.h:44:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_user);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:49:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_kernel);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:54:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL1(mmu.flush_tlb_one_user, addr);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:515:2: note: expanded from macro 'PVOP_VCALL1'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:60:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.flush_tlb_others, cpumask, info);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:65:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.tlb_remove_table, tlb, table);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
--
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:35:
   In file included from include/acpi/acpi_io.h:5:
   In file included from include/linux/io.h:13:
   In file included from arch/x86/include/asm/io.h:244:
>> arch/x86/include/asm/paravirt.h:44:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_user);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:35:
   In file included from include/acpi/acpi_io.h:5:
   In file included from include/linux/io.h:13:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:49:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_kernel);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:35:
   In file included from include/acpi/acpi_io.h:5:
   In file included from include/linux/io.h:13:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:54:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL1(mmu.flush_tlb_one_user, addr);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:515:2: note: expanded from macro 'PVOP_VCALL1'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:35:
   In file included from include/acpi/acpi_io.h:5:
   In file included from include/linux/io.h:13:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:60:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.flush_tlb_others, cpumask, info);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:35:
   In file included from include/acpi/acpi_io.h:5:
   In file included from include/linux/io.h:13:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:65:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.tlb_remove_table, tlb, table);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from drivers/iio/accel/bma180.c:17:
   In file included from include/linux/i2c.h:13:
--
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
>> arch/x86/include/asm/paravirt.h:44:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_user);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:49:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL0(mmu.flush_tlb_kernel);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:504:2: note: expanded from macro 'PVOP_VCALL0'
           __PVOP_VCALL(op)
           ^~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:54:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL1(mmu.flush_tlb_one_user, addr);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:515:2: note: expanded from macro 'PVOP_VCALL1'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:60:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.flush_tlb_others, cpumask, info);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:492:8: note: expanded from macro '__PVOP_VCALL'
           (void)____PVOP_CALL(long, op, CLBR_ANY, PVOP_VCALL_CLOBBERS,    \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:471:3: note: expanded from macro '____PVOP_CALL'
                   PVOP_CALL_ARGS;                                         \
                   ^~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:431:41: note: expanded from macro 'PVOP_CALL_ARGS'
                   __edx = __edx, __ecx = __ecx, __eax = __eax;
                                                 ~~~~~   ^~~~~
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:22:
   In file included from include/linux/writeback.h:14:
   In file included from include/linux/blk-cgroup.h:23:
   In file included from include/linux/blkdev.h:26:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/x86/include/asm/io.h:244:
   arch/x86/include/asm/paravirt.h:65:2: warning: variable '__eax' is uninitialized when used within its own initialization [-Wuninitialized]
           PVOP_VCALL2(mmu.tlb_remove_table, tlb, table);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/paravirt_types.h:526:2: note: expanded from macro 'PVOP_VCALL2'
           __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))


vim +/__eax +44 arch/x86/include/asm/paravirt.h

fdc0269e8958a1e Juergen Gross   2018-08-28  35  
2faf153bb7346b7 Thomas Gleixner 2020-04-21  36  void native_flush_tlb_local(void);
cd30d26cf307b45 Thomas Gleixner 2020-04-21  37  void native_flush_tlb_global(void);
127ac915c8e1c11 Thomas Gleixner 2020-04-21  38  void native_flush_tlb_one_user(unsigned long addr);
29def599b38bb8a Thomas Gleixner 2020-04-21  39  void native_flush_tlb_others(const struct cpumask *cpumask,
29def599b38bb8a Thomas Gleixner 2020-04-21  40  			     const struct flush_tlb_info *info);
2faf153bb7346b7 Thomas Gleixner 2020-04-21  41  
2faf153bb7346b7 Thomas Gleixner 2020-04-21  42  static inline void __flush_tlb_local(void)
fdc0269e8958a1e Juergen Gross   2018-08-28  43  {
fdc0269e8958a1e Juergen Gross   2018-08-28 @44  	PVOP_VCALL0(mmu.flush_tlb_user);
fdc0269e8958a1e Juergen Gross   2018-08-28  45  }
fdc0269e8958a1e Juergen Gross   2018-08-28  46  

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