From: kernel test robot <lkp@intel.com>
To: Juergen Gross <jgross@suse.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
virtualization@lists.linux-foundation.org
Cc: Juergen Gross <jgross@suse.com>, "H. Peter Anvin" <hpa@zytor.com>,
VMware PV-Drivers Reviewers <pv-drivers@vmware.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ajay Kaher <akaher@vmware.com>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Alexey Makhalov <amakhalov@vmware.com>,
oe-kbuild-all@lists.linux.dev,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v3 4/5] x86/paravirt: switch mixed paravirt/alternative calls to alternative_2
Date: Thu, 26 Oct 2023 17:02:22 +0800 [thread overview]
Message-ID: <202310261653.LKIRqagq-lkp@intel.com> (raw)
In-Reply-To: <20231019091520.14540-5-jgross@suse.com>
Hi Juergen,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvm/queue]
[also build test ERROR on tip/master linus/master v6.6-rc7 next-20231025]
[cannot apply to tip/x86/core kvm/linux-next tip/auto-latest]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Juergen-Gross/x86-paravirt-move-some-functions-and-defines-to-alternative/20231019-171709
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link: https://lore.kernel.org/r/20231019091520.14540-5-jgross%40suse.com
patch subject: [PATCH v3 4/5] x86/paravirt: switch mixed paravirt/alternative calls to alternative_2
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231026/202310261653.LKIRqagq-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231026/202310261653.LKIRqagq-lkp@intel.com/reproduce)
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>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310261653.LKIRqagq-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/x86/entry/entry_64.S: Assembler messages:
>> arch/x86/entry/entry_64.S:454: Error: no such instruction: `alt_call_instr'
arch/x86/entry/entry_64.S:319: Info: macro invoked from here
arch/x86/entry/entry_64.S:1138: Info: macro invoked from here
vim +454 arch/x86/entry/entry_64.S
6368558c37107b Thomas Gleixner 2020-05-21 442
cfa82a00533f70 Thomas Gleixner 2020-02-25 443 /**
cfa82a00533f70 Thomas Gleixner 2020-02-25 444 * idtentry_mce_db - Macro to generate entry stubs for #MC and #DB
cfa82a00533f70 Thomas Gleixner 2020-02-25 445 * @vector: Vector number
cfa82a00533f70 Thomas Gleixner 2020-02-25 446 * @asmsym: ASM symbol for the entry point
cfa82a00533f70 Thomas Gleixner 2020-02-25 447 * @cfunc: C function to be called
cfa82a00533f70 Thomas Gleixner 2020-02-25 448 *
cfa82a00533f70 Thomas Gleixner 2020-02-25 449 * The macro emits code to set up the kernel context for #MC and #DB
cfa82a00533f70 Thomas Gleixner 2020-02-25 450 *
cfa82a00533f70 Thomas Gleixner 2020-02-25 451 * If the entry comes from user space it uses the normal entry path
cfa82a00533f70 Thomas Gleixner 2020-02-25 452 * including the return to user space work and preemption checks on
cfa82a00533f70 Thomas Gleixner 2020-02-25 453 * exit.
cfa82a00533f70 Thomas Gleixner 2020-02-25 @454 *
cfa82a00533f70 Thomas Gleixner 2020-02-25 455 * If hits in kernel mode then it needs to go through the paranoid
cfa82a00533f70 Thomas Gleixner 2020-02-25 456 * entry as the exception can hit any random state. No preemption
cfa82a00533f70 Thomas Gleixner 2020-02-25 457 * check on exit to keep the paranoid path simple.
cfa82a00533f70 Thomas Gleixner 2020-02-25 458 */
cfa82a00533f70 Thomas Gleixner 2020-02-25 459 .macro idtentry_mce_db vector asmsym cfunc
cfa82a00533f70 Thomas Gleixner 2020-02-25 460 SYM_CODE_START(\asmsym)
4708ea14bef314 Josh Poimboeuf 2023-03-01 461 UNWIND_HINT_IRET_ENTRY
8f93402b92d443 Peter Zijlstra 2022-03-08 462 ENDBR
cfa82a00533f70 Thomas Gleixner 2020-02-25 463 ASM_CLAC
c64cc2802a784e Lai Jiangshan 2022-04-21 464 cld
cfa82a00533f70 Thomas Gleixner 2020-02-25 465
cfa82a00533f70 Thomas Gleixner 2020-02-25 466 pushq $-1 /* ORIG_RAX: no syscall to restart */
cfa82a00533f70 Thomas Gleixner 2020-02-25 467
cfa82a00533f70 Thomas Gleixner 2020-02-25 468 /*
cfa82a00533f70 Thomas Gleixner 2020-02-25 469 * If the entry is from userspace, switch stacks and treat it as
cfa82a00533f70 Thomas Gleixner 2020-02-25 470 * a normal entry.
cfa82a00533f70 Thomas Gleixner 2020-02-25 471 */
cfa82a00533f70 Thomas Gleixner 2020-02-25 472 testb $3, CS-ORIG_RAX(%rsp)
cfa82a00533f70 Thomas Gleixner 2020-02-25 473 jnz .Lfrom_usermode_switch_stack_\@
cfa82a00533f70 Thomas Gleixner 2020-02-25 474
c82965f9e53005 Chang S. Bae 2020-05-28 475 /* paranoid_entry returns GS information for paranoid_exit in EBX. */
cfa82a00533f70 Thomas Gleixner 2020-02-25 476 call paranoid_entry
cfa82a00533f70 Thomas Gleixner 2020-02-25 477
cfa82a00533f70 Thomas Gleixner 2020-02-25 478 UNWIND_HINT_REGS
cfa82a00533f70 Thomas Gleixner 2020-02-25 479
cfa82a00533f70 Thomas Gleixner 2020-02-25 480 movq %rsp, %rdi /* pt_regs pointer */
cfa82a00533f70 Thomas Gleixner 2020-02-25 481
cfa82a00533f70 Thomas Gleixner 2020-02-25 482 call \cfunc
cfa82a00533f70 Thomas Gleixner 2020-02-25 483
cfa82a00533f70 Thomas Gleixner 2020-02-25 484 jmp paranoid_exit
cfa82a00533f70 Thomas Gleixner 2020-02-25 485
cfa82a00533f70 Thomas Gleixner 2020-02-25 486 /* Switch to the regular task stack and use the noist entry point */
cfa82a00533f70 Thomas Gleixner 2020-02-25 487 .Lfrom_usermode_switch_stack_\@:
e2dcb5f1390715 Thomas Gleixner 2020-05-21 488 idtentry_body noist_\cfunc, has_error_code=0
cfa82a00533f70 Thomas Gleixner 2020-02-25 489
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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next prev parent reply other threads:[~2023-10-26 9:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-19 9:15 [PATCH v3 0/5] x86/paravirt: Get rid of paravirt patching Juergen Gross via Virtualization
2023-10-19 9:15 ` [PATCH v3 1/5] x86/paravirt: move some functions and defines to alternative Juergen Gross via Virtualization
2023-10-19 11:33 ` kernel test robot
2023-10-25 10:34 ` Borislav Petkov
2023-10-25 13:31 ` Juergen Gross via Virtualization
2023-10-25 13:44 ` Borislav Petkov
2023-10-25 13:57 ` Juergen Gross via Virtualization
2023-10-30 12:39 ` Juergen Gross via Virtualization
2023-10-19 9:15 ` [PATCH v3 3/5] x86/paravirt: introduce ALT_NOT_XEN Juergen Gross via Virtualization
2023-10-19 9:15 ` [PATCH v3 4/5] x86/paravirt: switch mixed paravirt/alternative calls to alternative_2 Juergen Gross via Virtualization
2023-10-19 11:55 ` kernel test robot
2023-10-26 9:02 ` kernel test robot [this message]
2023-10-19 9:15 ` [PATCH v3 5/5] x86/paravirt: remove no longer needed paravirt patching code Juergen Gross via Virtualization
2023-10-19 12:06 ` kernel test robot
[not found] <202310261032.76a10bc0-oliver.sang@intel.com>
2023-10-26 6:33 ` [PATCH v3 4/5] x86/paravirt: switch mixed paravirt/alternative calls to alternative_2 Juergen Gross via Virtualization
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