I don't see much difference. I will update the commits on next
iteration with the following:
Kernbench shows almost no difference (-+ less than 1%):
Before:
Average Optimal load -j 12 Run (std deviation):
Elapsed Time 102.63 (1.2695)
User Time 1034.89 (1.18115)
System Time 87.056 (0.456416)
I don't see much difference. I will update the commits on next
iteration with the following:
Kernbench shows almost no difference (-+ less than 1%):
Before:
Average Optimal load -j 12 Run (std deviation):
Elapsed Time 102.63 (1.2695)
User Time 1034.89 (1.18115)
System Time 87.056 (0.456416)
On 05/02/2016 02:41 PM, Thomas Garnier wrote:
> -#define __PAGE_OFFSET _AC(0x8800, UL)
> +#define __PAGE_OFFSET_BASE _AC(0x8800, UL)
> +#ifdef CONFIG_RANDOMIZE_MEMORY
> +#define __PAGE_OFFSET page_offset_base
> +#else
> +#define __PAGE_OFFSET
On 05/02/2016 02:41 PM, Thomas Garnier wrote:
> -#define __PAGE_OFFSET _AC(0x8800, UL)
> +#define __PAGE_OFFSET_BASE _AC(0x8800, UL)
> +#ifdef CONFIG_RANDOMIZE_MEMORY
> +#define __PAGE_OFFSET page_offset_base
> +#else
> +#define __PAGE_OFFSET
Randomizes the virtual address space of kernel memory sections (physical
memory mapping, vmalloc & vmemmap) for x86_64. This security feature
mitigates exploits relying on predictable kernel addresses. These
addresses can be used to disclose the kernel modules base addresses or
corrupt specific
Randomizes the virtual address space of kernel memory sections (physical
memory mapping, vmalloc & vmemmap) for x86_64. This security feature
mitigates exploits relying on predictable kernel addresses. These
addresses can be used to disclose the kernel modules base addresses or
corrupt specific
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