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  1. 13 Aug, 2008 6 commits
    • Marcin Slusarz's avatar
      x86: fix 2 section mismatch warnings - find_and_reserve_crashkernel · 6b356022
      Marcin Slusarz authored 
      WARNING: vmlinux.o(.text+0xcd1f): Section mismatch in reference from the function find_and_reserve_crashkernel() to the function .init.text:find_e820_area()
The function find_and_reserve_crashkernel() references
the function __init find_e820_area().
This is often because find_and_reserve_crashkernel lacks a __init
annotation or the annotation of find_e820_area is wrong.

WARNING: vmlinux.o(.text+0xcd38): Section mismatch in reference from the function find_and_reserve_crashkernel() to the function .init.text:reserve_bootmem_generic()
The function find_and_reserve_crashkernel() references
the function __init reserve_bootmem_generic().
This is often because find_and_reserve_crashkernel lacks a __init
annotation or the annotation of reserve_bootmem_generic is wrong.

find_and_reserve_crashkernel is called from __init function (reserve_crashkernel)
and calls 2 __init functions (find_e820_area, reserve_bootmem_generic),
so mark it __init
Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      6b356022
    • Marcin Slusarz's avatar
      x86: fix 2 section mismatch warnings - map_high() · c9d08f08
      Marcin Slusarz authored 
      WARNING: vmlinux.o(.text+0x14cf8): Section mismatch in reference from the function map_high() to the function .init.text:init_extra_mapping_uc()
The function map_high() references
the function __init init_extra_mapping_uc().
This is often because map_high lacks a __init
annotation or the annotation of init_extra_mapping_uc is wrong.

WARNING: vmlinux.o(.text+0x14d05): Section mismatch in reference from the function map_high() to the function .init.text:init_extra_mapping_wb()
The function map_high() references
the function __init init_extra_mapping_wb().
This is often because map_high lacks a __init
annotation or the annotation of init_extra_mapping_wb is wrong.

map_high is called only from __init functions (map_*_high)
and calls 2 __init_functions (init_extra_mapping_*)
Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      c9d08f08
    • Ingo Molnar's avatar
      Merge commit 'v2.6.27-rc3' into x86/urgent · a12e61df
      Ingo Molnar authored
      a12e61df
    • Joerg Roedel's avatar
      x86: fix setup code crashes on my old 486 box · 7b27718b
      Joerg Roedel authored 
      yesterday I tried to reactivate my old 486 box and wanted to install a
current Linux with latest kernel on it. But it turned out that the
latest kernel does not boot because the machine crashes early in the
setup code.

After some debugging it turned out that the problem is the query_ist()
function. If this interrupt with that function is called the machine
simply locks up. It looks like a BIOS bug. Looking for a workaround for
this problem I wrote the attached patch. It checks for the CPUID
instruction and if it is not implemented it does not call the speedstep
BIOS function. As far as I know speedstep should be available since some
Pentium earliest.

Alan Cox observed that it's available since the Pentium II, so cpuid
levels 4 and 5 can be excluded altogether.

H. Peter Anvin cleaned up the code some more:

> Right in concept, but I dislike the implementation (duplication of the
> CPU detect code we already have).  Could you try this patch and see if
> it works for you?

which, with a small modification to fix a build error with it the
resulting kernel boots on my machine.
Signed-off-by: default avatarJoerg Roedel <joro@8bytes.org>
Signed-off-by: default avatar"H. Peter Anvin" <hpa@zytor.com>
Cc: <stable@kernel.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      7b27718b
    • Johannes Weiner's avatar
      x86: propagate new nonpanic bootmem macros to CONFIG_HAVE_ARCH_BOOTMEM_NODE · 0ed89b06
      Johannes Weiner authored 
      Commit 74768ed8 "page allocator: use no-panic variant of
alloc_bootmem() in alloc_large_system_hash()" introduced two new
_nopanic macros which are undefined for CONFIG_HAVE_ARCH_BOOTMEM_NODE.
Signed-off-by: default avatarJohannes Weiner <hannes@saeurebad.de>
Acked-by: default avatar"Jan Beulich" <jbeulich@novell.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      0ed89b06
    • Linus Torvalds's avatar
      Linux 2.6.27-rc3 · 30a2f3c6
      Linus Torvalds authored
      30a2f3c6
  3. 12 Aug, 2008 34 commits