Re: Build regressions/improvements in v4.2-rc8

2015-08-26 Thread Alexander Graf 


On 24.08.15 10:36, Geert Uytterhoeven wrote:
 On Mon, Aug 24, 2015 at 10:34 AM, Geert Uytterhoeven
 ge...@linux-m68k.org wrote:
 JFYI, when comparing v4.2-rc8[1] to v4.2-rc7[3], the summaries are:
   - build errors: +4/-7
 
 4 regressions:
   + /home/kisskb/slave/src/include/linux/kvm_host.h: error: array
 subscript is above array bounds [-Werror=array-bounds]:  = 430:19
 (arch/powerpc/kvm/book3s_64_mmu.c: In function 'kvmppc_mmu
 _book3s_64_tlbie':)
 
 powerpc-randconfig (seen before in a v3.15-rc1 build?)

I'm not quite sure what's going wrong here. The code in question does

  kvm_for_each_vcpu(i, v, vcpu-kvm)
kvmppc_mmu_pte_vflush(v, va  12, mask);

and IIUC the thing we're potentially running over on would be
kvm-vcpus[i]. But that one is bound by the kvm_for_each_vcpu loop, no?


Alex
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Re: Build regressions/improvements in v4.2-rc8

2015-08-24 Thread Geert Uytterhoeven 
On Mon, Aug 24, 2015 at 10:34 AM, Geert Uytterhoeven
ge...@linux-m68k.org wrote:
 JFYI, when comparing v4.2-rc8[1] to v4.2-rc7[3], the summaries are:
   - build errors: +4/-7

4 regressions:
  + /home/kisskb/slave/src/include/linux/kvm_host.h: error: array
subscript is above array bounds [-Werror=array-bounds]:  = 430:19
(arch/powerpc/kvm/book3s_64_mmu.c: In function 'kvmppc_mmu
_book3s_64_tlbie':)

powerpc-randconfig (seen before in a v3.15-rc1 build?)

  + error: initramfs.c: undefined reference to `__stack_chk_guard':
= .init.text+0x1cb0)
(init/built-in.o: In function `parse_header':)

x86_64-randconfig

  + error: pci.c: undefined reference to `pci_ioremap_io':  = .init.text+0x3c4)
(arch/arm/mach-versatile/built-in.o: In function `pci_versatile_setup')

arm-randconfig

 [1] http://kisskb.ellerman.id.au/kisskb/head/9289/ (253 out of 254 configs)
 [3] http://kisskb.ellerman.id.au/kisskb/head/9260/ (253 out of 254 configs)

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say programmer or something like that.
-- Linus Torvalds
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