From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: arch/arm64/kvm/at.c:71 at_s1e1p_fast() error: uninitialized symbol 'fail'.
Date: Tue, 17 Dec 2024 11:15:40 +0800 [thread overview]
Message-ID: <202412171131.72aDJUdO-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Marc Zyngier <maz@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f44d154d6e3d633d4c49a5d6aed8a0e4684ae25e
commit: be0135bde1df5e80cffacd2ed6f952e6d38d6f71 KVM: arm64: nv: Add basic emulation of AT S1E1{R,W}P
date: 4 months ago
:::::: branch date: 9 hours ago
:::::: commit date: 4 months ago
config: arm64-randconfig-r073-20241207 (https://download.01.org/0day-ci/archive/20241217/202412171131.72aDJUdO-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202412171131.72aDJUdO-lkp@intel.com/
smatch warnings:
arch/arm64/kvm/at.c:71 at_s1e1p_fast() error: uninitialized symbol 'fail'.
vim +/fail +71 arch/arm64/kvm/at.c
477e89cabb1428d Marc Zyngier 2024-06-19 51
be0135bde1df5e8 Marc Zyngier 2024-07-14 52 static bool at_s1e1p_fast(struct kvm_vcpu *vcpu, u32 op, u64 vaddr)
be0135bde1df5e8 Marc Zyngier 2024-07-14 53 {
be0135bde1df5e8 Marc Zyngier 2024-07-14 54 u64 host_pan;
be0135bde1df5e8 Marc Zyngier 2024-07-14 55 bool fail;
be0135bde1df5e8 Marc Zyngier 2024-07-14 56
be0135bde1df5e8 Marc Zyngier 2024-07-14 57 host_pan = read_sysreg_s(SYS_PSTATE_PAN);
be0135bde1df5e8 Marc Zyngier 2024-07-14 58 write_sysreg_s(*vcpu_cpsr(vcpu) & PSTATE_PAN, SYS_PSTATE_PAN);
be0135bde1df5e8 Marc Zyngier 2024-07-14 59
be0135bde1df5e8 Marc Zyngier 2024-07-14 60 switch (op) {
be0135bde1df5e8 Marc Zyngier 2024-07-14 61 case OP_AT_S1E1RP:
be0135bde1df5e8 Marc Zyngier 2024-07-14 62 fail = __kvm_at(OP_AT_S1E1RP, vaddr);
be0135bde1df5e8 Marc Zyngier 2024-07-14 63 break;
be0135bde1df5e8 Marc Zyngier 2024-07-14 64 case OP_AT_S1E1WP:
be0135bde1df5e8 Marc Zyngier 2024-07-14 65 fail = __kvm_at(OP_AT_S1E1WP, vaddr);
be0135bde1df5e8 Marc Zyngier 2024-07-14 66 break;
be0135bde1df5e8 Marc Zyngier 2024-07-14 67 }
be0135bde1df5e8 Marc Zyngier 2024-07-14 68
be0135bde1df5e8 Marc Zyngier 2024-07-14 69 write_sysreg_s(host_pan, SYS_PSTATE_PAN);
be0135bde1df5e8 Marc Zyngier 2024-07-14 70
be0135bde1df5e8 Marc Zyngier 2024-07-14 @71 return fail;
be0135bde1df5e8 Marc Zyngier 2024-07-14 72 }
be0135bde1df5e8 Marc Zyngier 2024-07-14 73
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2024-12-17 3:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-17 3:15 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-10-21 7:29 arch/arm64/kvm/at.c:71 at_s1e1p_fast() error: uninitialized symbol 'fail' Dan Carpenter
2024-10-23 12:43 ` Marc Zyngier
2024-10-23 13:08 ` Dan Carpenter
2024-10-19 18:10 kernel test robot
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