Re: [PATCH v2 0/3] x86: fix brk area initialization

[Juergen Gross]

On 23.06.22 11:46, Juergen Gross wrote:
> 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: fix setup of brk area
>    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(-)

Could I please have some feedback? This series is fixing a major
regression regarding running as Xen PV guest (depending on kernel
configuration system will crash very early).

#regzbot ^introduced e32683c6f7d2


Juergen

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