lkml.org 
[lkml]   [2020]   [Oct]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: kvm: x86-32 fails to link with tdp_mmu
On Fri, Oct 23, 2020 at 09:13:21PM -0500, Daniel Díaz wrote:
> Hello!
>
> We found the following problem building torvalds/master, which
> recently merged the for-linus tag from the KVM tree, when building
> with gcc 7.3.0 and glibc 2.27 for x86 32-bits under OpenEmbedded:
>
> | LD vmlinux.o
> | MODPOST vmlinux.symvers
> | MODINFO modules.builtin.modinfo
> | GEN modules.builtin
> | LD .tmp_vmlinux.kallsyms1
> | arch/x86/kvm/mmu/tdp_mmu.o: In function `__handle_changed_spte':
> | tdp_mmu.c:(.text+0x78a): undefined reference to `__umoddi3'

The problem is a % on a 64-bit value. Patches incoming, there's also a goof
in similar code that was tweaked last minute to avoid the %.

\
 
 \ /
  Last update: 2020-10-24 04:18    [W:0.203 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site