arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: sparse: incorrect type in return expression (different base types)

From: kernel test robot
Date: Sun Feb 20 2022 - 22:55:18 EST

Next message: Eric Biggers: "Re: [PATCH v2 9/9] random: remove outdated INT_MAX >> 6 check in urandom_read()"
Previous message: kernel test robot: "[agd5f:drm-next 100/114] drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:126:5: warning: no previous prototype for 'dcn315_smu_send_msg_with_param'"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cfb92440ee71adcc2105b0890bb01ac3cddb8507
commit: 63b3f96e1a989846a5a521d4fbef4bc86406929d kvm: Select SCHED_INFO instead of TASK_DELAY_ACCT
date: 10 months ago
config: arm64-randconfig-s032-20220220 (https://download.01.org/0day-ci/archive/20220221/202202211117.LxmkwF42-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=63b3f96e1a989846a5a521d4fbef4bc86406929d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 63b3f96e1a989846a5a521d4fbef4bc86406929d
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/ drivers/soc/

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

sparse warnings: (new ones prefixed by >>)
arch/arm64/kvm/mmio.c: note: in included file:
>> arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __be16 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: got restricted __be16 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:441:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __be32 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:441:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:441:32: sparse: got restricted __be32 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:443:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __be64 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:443:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:443:32: sparse: got restricted __be64 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:450:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __le16 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:450:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:450:32: sparse: got restricted __le16 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:452:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __le32 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:452:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:452:32: sparse: got restricted __le32 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:454:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned long @@ got restricted __le64 [usertype] @@
arch/arm64/include/asm/kvm_emulate.h:454:32: sparse: expected unsigned long
arch/arm64/include/asm/kvm_emulate.h:454:32: sparse: got restricted __le64 [usertype]
>> arch/arm64/include/asm/kvm_emulate.h:408:32: sparse: sparse: cast to restricted __be16
>> arch/arm64/include/asm/kvm_emulate.h:410:32: sparse: sparse: cast to restricted __be32
>> arch/arm64/include/asm/kvm_emulate.h:412:32: sparse: sparse: cast to restricted __be64
>> arch/arm64/include/asm/kvm_emulate.h:419:32: sparse: sparse: cast to restricted __le16
>> arch/arm64/include/asm/kvm_emulate.h:419:32: sparse: sparse: cast to restricted __le16
>> arch/arm64/include/asm/kvm_emulate.h:419:32: sparse: sparse: cast to restricted __le16
>> arch/arm64/include/asm/kvm_emulate.h:419:32: sparse: sparse: cast to restricted __le16
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:421:32: sparse: sparse: cast to restricted __le32
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
>> arch/arm64/include/asm/kvm_emulate.h:423:32: sparse: sparse: cast to restricted __le64
--
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64
--
>> arch/arm64/kvm/arch_timer.c:1016:66: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *vcpu_info @@ got struct kvm_vcpu *[noderef] __percpu * @@
arch/arm64/kvm/arch_timer.c:1016:66: sparse: expected void *vcpu_info
arch/arm64/kvm/arch_timer.c:1016:66: sparse: got struct kvm_vcpu *[noderef] __percpu *
arch/arm64/kvm/arch_timer.c:1049:74: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *vcpu_info @@ got struct kvm_vcpu *[noderef] __percpu * @@
arch/arm64/kvm/arch_timer.c:1049:74: sparse: expected void *vcpu_info
arch/arm64/kvm/arch_timer.c:1049:74: sparse: got struct kvm_vcpu *[noderef] __percpu *
--
>> arch/arm64/kvm/vgic/vgic-mmio.c:854:24: sparse: sparse: cast to restricted __le16
>> arch/arm64/kvm/vgic/vgic-mmio.c:854:24: sparse: sparse: cast to restricted __le16
>> arch/arm64/kvm/vgic/vgic-mmio.c:854:24: sparse: sparse: cast to restricted __le16
>> arch/arm64/kvm/vgic/vgic-mmio.c:854:24: sparse: sparse: cast to restricted __le16
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long data @@ got restricted __le16 [usertype] @@
arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: expected unsigned long data
arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: got restricted __le16 [usertype]
>> arch/arm64/kvm/vgic/vgic-mmio.c:881:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long data @@ got restricted __le32 [usertype] @@
arch/arm64/kvm/vgic/vgic-mmio.c:881:22: sparse: expected unsigned long data
arch/arm64/kvm/vgic/vgic-mmio.c:881:22: sparse: got restricted __le32 [usertype]
>> arch/arm64/kvm/vgic/vgic-mmio.c:884:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long data @@ got restricted __le64 [usertype] @@
arch/arm64/kvm/vgic/vgic-mmio.c:884:22: sparse: expected unsigned long data
arch/arm64/kvm/vgic/vgic-mmio.c:884:22: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-mmio.c:88:17: sparse: sparse: context imbalance in 'vgic_mmio_write_group' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-mmio.c:124:9: sparse: sparse: context imbalance in 'vgic_mmio_write_senable' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-mmio.c:195:9: sparse: sparse: context imbalance in 'vgic_uaccess_write_senable' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-mmio.c:278:9: sparse: sparse: context imbalance in 'vgic_mmio_write_spending' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-mmio.c:320:9: sparse: sparse: context imbalance in 'vgic_uaccess_write_spending' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-mmio.c:565:9: sparse: sparse: context imbalance in 'vgic_mmio_change_active' - wrong count at exit
arch/arm64/kvm/vgic/vgic-mmio.c:773:30: sparse: sparse: context imbalance in 'vgic_write_irq_line_level_info' - different lock contexts for basic block
--
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:824:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64
>> arch/arm64/kvm/vgic/vgic-its.c:2133:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [assigned] [usertype] val @@ got restricted __le64 [usertype] @@
arch/arm64/kvm/vgic/vgic-its.c:2133:13: sparse: expected unsigned long long [assigned] [usertype] val
arch/arm64/kvm/vgic/vgic-its.c:2133:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [assigned] [usertype] val @@ got restricted __le64 [usertype] @@
arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: expected unsigned long long [assigned] [usertype] val
arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [assigned] [usertype] val @@ got restricted __le64 [usertype] @@
arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: expected unsigned long long [assigned] [usertype] val
arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:280:12: sparse: sparse: context imbalance in 'update_lpi_config' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-its.c:443:9: sparse: sparse: context imbalance in 'its_sync_lpi_pending_table' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-its.c:730:12: sparse: sparse: context imbalance in 'vgic_its_trigger_msi' - different lock contexts for basic block
arch/arm64/kvm/vgic/vgic-its.c:752:5: sparse: sparse: context imbalance in 'vgic_its_inject_cached_translation' - wrong count at exit

vim +439 arch/arm64/include/asm/kvm_emulate.h

6d89d2d9b5bac9 Marc Zyngier 2013-02-12 398
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 399 static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 400 unsigned long data,
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 401 unsigned int len)
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 402 {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 403 if (kvm_vcpu_is_be(vcpu)) {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 404 switch (len) {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 405 case 1:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 406 return data & 0xff;
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 407 case 2:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @408 return be16_to_cpu(data & 0xffff);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 409 case 4:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @410 return be32_to_cpu(data & 0xffffffff);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 411 default:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @412 return be64_to_cpu(data);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 413 }
b30070862edbdb Victor Kamensky 2014-06-12 414 } else {
b30070862edbdb Victor Kamensky 2014-06-12 415 switch (len) {
b30070862edbdb Victor Kamensky 2014-06-12 416 case 1:
b30070862edbdb Victor Kamensky 2014-06-12 417 return data & 0xff;
b30070862edbdb Victor Kamensky 2014-06-12 418 case 2:
b30070862edbdb Victor Kamensky 2014-06-12 @419 return le16_to_cpu(data & 0xffff);
b30070862edbdb Victor Kamensky 2014-06-12 420 case 4:
b30070862edbdb Victor Kamensky 2014-06-12 @421 return le32_to_cpu(data & 0xffffffff);
b30070862edbdb Victor Kamensky 2014-06-12 422 default:
b30070862edbdb Victor Kamensky 2014-06-12 @423 return le64_to_cpu(data);
b30070862edbdb Victor Kamensky 2014-06-12 424 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 425 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 426
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 427 return data; /* Leave LE untouched */
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 428 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 429
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 430 static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 431 unsigned long data,
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 432 unsigned int len)
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 433 {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 434 if (kvm_vcpu_is_be(vcpu)) {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 435 switch (len) {
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 436 case 1:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 437 return data & 0xff;
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 438 case 2:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @439 return cpu_to_be16(data & 0xffff);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 440 case 4:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @441 return cpu_to_be32(data & 0xffffffff);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 442 default:
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 @443 return cpu_to_be64(data);
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 444 }
b30070862edbdb Victor Kamensky 2014-06-12 445 } else {
b30070862edbdb Victor Kamensky 2014-06-12 446 switch (len) {
b30070862edbdb Victor Kamensky 2014-06-12 447 case 1:
b30070862edbdb Victor Kamensky 2014-06-12 448 return data & 0xff;
b30070862edbdb Victor Kamensky 2014-06-12 449 case 2:
b30070862edbdb Victor Kamensky 2014-06-12 @450 return cpu_to_le16(data & 0xffff);
b30070862edbdb Victor Kamensky 2014-06-12 451 case 4:
b30070862edbdb Victor Kamensky 2014-06-12 @452 return cpu_to_le32(data & 0xffffffff);
b30070862edbdb Victor Kamensky 2014-06-12 453 default:
b30070862edbdb Victor Kamensky 2014-06-12 @454 return cpu_to_le64(data);
b30070862edbdb Victor Kamensky 2014-06-12 455 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 456 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 457
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 458 return data; /* Leave LE untouched */
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 459 }
6d89d2d9b5bac9 Marc Zyngier 2013-02-12 460

:::::: The code at line 439 was first introduced by commit
:::::: 6d89d2d9b5bac9dbe40ee106ceda9307b6265234 arm/arm64: KVM: MMIO support for BE guest

:::::: TO: Marc Zyngier <marc.zyngier@xxxxxxx>
:::::: CC: Marc Zyngier <marc.zyngier@xxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Next message: Eric Biggers: "Re: [PATCH v2 9/9] random: remove outdated INT_MAX >> 6 check in urandom_read()"
Previous message: kernel test robot: "[agd5f:drm-next 100/114] drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:126:5: warning: no previous prototype for 'dcn315_smu_send_msg_with_param'"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]