From: kernel test robot <lkp@intel.com>
To: Marc Zyngier <maz@kernel.org>
Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List <gwml@gnuweeb.org>,
linux-kernel@vger.kernel.org, Quentin Perret <qperret@google.com>,
Will Deacon <willdeacon@google.com>
Subject: [ammarfaizi2-block:google/android/kernel/common/android12-trusty-5.10 4724/5869] arch/arm64/kvm/hyp/include/hyp/switch.h:216:9: error: implicit declaration of function 'sve_cond_update_zcr_vq'
Date: Sun, 30 Jan 2022 13:43:47 +0800 [thread overview]
Message-ID: <202201301345.a0dQdgTM-lkp@intel.com> (raw)
Hi Marc,
FYI, the error/warning still remains.
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10
head: 94a36a1374e79fb3aa3539f8b99aa110fdc7b7a0
commit: 1105b4d1cef4bc19ad20129a716194268c937eaf [4724/5869] BACKPORT: FROMGIT: KVM: arm64: Rework SVE host-save/guest-restore
config: arm64-randconfig-c023-20220125 (https://download.01.org/0day-ci/archive/20220130/202201301345.a0dQdgTM-lkp@intel.com/config)
compiler: aarch64-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/1105b4d1cef4bc19ad20129a716194268c937eaf
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-trusty-5.10
git checkout 1105b4d1cef4bc19ad20129a716194268c937eaf
# 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=arm64 SHELL=/bin/bash arch/arm64/kvm/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/arm64/kvm/hyp/nvhe/switch.c:8:
arch/arm64/kvm/hyp/include/hyp/switch.h: In function '__hyp_sve_restore_guest':
>> arch/arm64/kvm/hyp/include/hyp/switch.h:216:9: error: implicit declaration of function 'sve_cond_update_zcr_vq' [-Werror=implicit-function-declaration]
216 | sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c: At top level:
arch/arm64/kvm/hyp/nvhe/switch.c:282:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
282 | asmlinkage void kvm_unexpected_el2_exception(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/arm64/kvm/hyp/nvhe/hyp-main.c:7:
arch/arm64/kvm/hyp/include/hyp/switch.h: In function '__hyp_sve_restore_guest':
>> arch/arm64/kvm/hyp/include/hyp/switch.h:216:9: error: implicit declaration of function 'sve_cond_update_zcr_vq' [-Werror=implicit-function-declaration]
216 | sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c: At top level:
arch/arm64/kvm/hyp/nvhe/hyp-main.c:233:6: warning: no previous prototype for 'handle_trap' [-Wmissing-prototypes]
233 | void handle_trap(struct kvm_cpu_context *host_ctxt)
| ^~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/arm64/kvm/hyp/nvhe/mem_protect.c:15:
arch/arm64/kvm/hyp/include/hyp/switch.h: In function '__hyp_sve_restore_guest':
>> arch/arm64/kvm/hyp/include/hyp/switch.h:216:9: error: implicit declaration of function 'sve_cond_update_zcr_vq' [-Werror=implicit-function-declaration]
216 | sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/arm64/kvm/hyp/vhe/switch.c:8:
arch/arm64/kvm/hyp/include/hyp/switch.h: In function '__hyp_sve_restore_guest':
>> arch/arm64/kvm/hyp/include/hyp/switch.h:216:9: error: implicit declaration of function 'sve_cond_update_zcr_vq' [-Werror=implicit-function-declaration]
216 | sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c: At top level:
arch/arm64/kvm/hyp/vhe/switch.c:227:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
227 | asmlinkage void kvm_unexpected_el2_exception(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/sve_cond_update_zcr_vq +216 arch/arm64/kvm/hyp/include/hyp/switch.h
213
214 static inline void __hyp_sve_restore_guest(struct kvm_vcpu *vcpu)
215 {
> 216 sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
217 __sve_restore_state(vcpu_sve_pffr(vcpu),
218 &vcpu->arch.ctxt.fp_regs.fpsr);
219 write_sysreg_el1(__vcpu_sys_reg(vcpu, ZCR_EL1), SYS_ZCR);
220 }
221
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
reply other threads:[~2022-01-30 5:44 UTC|newest]
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