[v3] x86: fix brk area initialization

[PATCH v3 0/3] x86: fix brk area initialization

Juergen Gross posted 3 patches 1 year, 10 months ago

Diff against v1 v2
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Failed in applying to current master (apply log)

arch/x86/include/asm/setup.h  |  3 +++
arch/x86/kernel/head64.c      |  4 +++-
arch/x86/kernel/vmlinux.lds.S |  2 +-
arch/x86/xen/enlighten_pv.c   |  8 ++++++--
arch/x86/xen/xen-head.S       | 10 +---------
5 files changed, 14 insertions(+), 13 deletions(-)

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[PATCH v3 0/3] x86: fix brk area initialization

Posted by Juergen Gross 1 year, 10 months ago

The brk area needs to be zeroed initially, like the .bss section.
At the same time its memory should be covered by the ELF program
headers.

Juergen Gross (3):
  x86/xen: use clear_bss() for Xen PV guests
  x86: clear .brk area at early boot
  x86: fix .brk attribute in linker script

 arch/x86/include/asm/setup.h  |  3 +++
 arch/x86/kernel/head64.c      |  4 +++-
 arch/x86/kernel/vmlinux.lds.S |  2 +-
 arch/x86/xen/enlighten_pv.c   |  8 ++++++--
 arch/x86/xen/xen-head.S       | 10 +---------
 5 files changed, 14 insertions(+), 13 deletions(-)

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2.35.3