On 10/17/18 at 06:20pm, Chao Fan wrote:
> If CONFIG_MEMORY_HOTREMOVE enabled, walk through the acpi srat memory
> tables and store those immovable memory regions so that kaslr can get
> where to choose for randomization.

This patch only adds invocation of get_immovable_mem() inside
mem_avoid_init(). It's not doing what you said in patch log. Can it be
merged with other patch, e.g patch 6 or 8?

> 
> Signed-off-by: Chao Fan <[email protected]>
> ---
>  arch/x86/boot/compressed/kaslr.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/x86/boot/compressed/kaslr.c 
> b/arch/x86/boot/compressed/kaslr.c
> index 9ed9709d9947..0c3567bc231c 100644
> --- a/arch/x86/boot/compressed/kaslr.c
> +++ b/arch/x86/boot/compressed/kaslr.c
> @@ -417,6 +417,11 @@ static void mem_avoid_init(unsigned long input, unsigned 
> long input_size,
>       /* Mark the memmap regions we need to avoid */
>       handle_mem_options();
>  
> +#ifdef CONFIG_MEMORY_HOTREMOVE
> +     /* Mark the immovable regions we need to choose */
> +     get_immovable_mem();
> +#endif
> +
>  #ifdef CONFIG_X86_VERBOSE_BOOTUP
>       /* Make sure video RAM can be used. */
>       add_identity_map(0, PMD_SIZE);
> -- 
> 2.17.2
> 
> 
> 

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