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Linux 6.17 To Support Arm's BRBE
The ARM64 (AArch64) architecture updates have been submitted ahead of the imminent Linux 6.17 merge window.
The ARM64 (AArch64) architecture updates have been submitted ahead of the imminent Linux 6.17 merge window. BRBE is short for the Branch Record Buffer Extension and has been part of the Arm ISA spec the past five years. Linux 6.17 for ARM64 also brings initial BBML2 support within the contpte_convert() code as a TLBI optimization for AArch64 CPUs that do not require break-before-make when changing the user PTEs between contiguous and non-contiguous.
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