>>> On 05.02.16 at 14:42, <andrew.coop...@citrix.com> wrote:
> --- a/xen/arch/x86/cpu/common.c
> +++ b/xen/arch/x86/cpu/common.c
> @@ -53,8 +53,24 @@ static unsigned int cleared_caps[NCAPINTS];
>
> void __init setup_clear_cpu_cap(unsigned int cap)
> {
> + const uint32_t *dfs;
> + unsigned int i;
> +
> + if ( test_bit(cap, cleared_caps) )
> + return;
> +
> __clear_bit(cap, boot_cpu_data.x86_capability);
> __set_bit(cap, cleared_caps);
> +
> + dfs = lookup_deep_deps(cap);
> +
> + if ( !dfs )
> + return;
> +
> + for ( i = 0; i < FSCAPINTS; ++i ) {
> + cleared_caps[i] |= dfs[i];
> + boot_cpu_data.x86_capability[i] &= ~dfs[i];
> + }
> }
Oh, also - you're mixing styles here (note the stray blanks inside
for() and if()) ...
Jan
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