On ARM, manipulating live page tables is cumbersome since the architecture
mandates the use of break-before-make, i.e., replacing a block entry with
a table entry requires an intermediate step via an invalid entry, or TLB
conflicts may occur.
Since it is not generally feasible to decide in the pag
Hi Ard,
On Mon, Apr 11, 2016 at 03:57:15PM +0200, Ard Biesheuvel wrote:
> On ARM, manipulating live page tables is cumbersome since the architecture
> mandates the use of break-before-make, i.e., replacing a block entry with
> a table entry requires an intermediate step via an invalid entry, or TL
On 11 April 2016 at 16:10, Mark Rutland wrote:
> Hi Ard,
>
> On Mon, Apr 11, 2016 at 03:57:15PM +0200, Ard Biesheuvel wrote:
>> On ARM, manipulating live page tables is cumbersome since the architecture
>> mandates the use of break-before-make, i.e., replacing a block entry with
>> a table entry r
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