Retpoline Direct Activation in Windows 10

Microsoft is testing it , μια νέα μέθοδο επιδιόρθωσης ττου Specter 2 από την , στα Windows 10 Insider Builds εδώ και αρκετό καιρό. Όπως φαίνεται η εταιρεία πρόσθεσε το Retpoline στα Windows 10 της έκδοσης 1809 με την αθροιστική ενημέρωση KB4482887 της 1ης Μαρτίου.

retpoline

Retpoline promises improved performance compared to the previous fix method used by Microsoft in its operating systems.
According to the company that tested the performance of Windows 10 systems, Retpoline improved the Office application start time by about 25%.

Η Retpoline is not enabled by default even though it is included in the March 1st update. Microsoft plans to implement it in the coming months.

However, if you do not want to wait, we'll see below how you can immediately activate Retpoline, provided you run Windows 10 in the 1809 version and have installed the latest cumulative update.

Of course before any changes to your system it is recommended to create backups .

For Windows 10 users

Open one εντολών με δικαιώματα διαχειριστή (αναζήτηση για cmd.exe, δεξί κλικ στο αποτέλεσμα και επιλέξτε εκτέλεση σαν διαχειριστής).
Run the following commands, and then restart your computer.

reg add "HKLM \ SYSTEM \ CurrentControlSet \\ Session Manager \ Memory Management "/ v FeatureSettingsOverride / t REG_DWORD / d 0x400
reg add "HKLM \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ Memory Management" / v FeatureSettingsOverrideMask / t REG_DWORD / d 0x400

For Windows 10 Server

Open a command line with administrator permissions (search for cmd.exe, right-click the result and select run as administrator).
Run the following commands, and then restart your computer.

reg add "HKLM \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ Memory Management" / v FeatureSettingsOverride / t REG_DWORD / d 0x400
reg add "HKLM \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ Memory Management" / v FeatureSettingsOverrideMask / t REG_DWORD / d 0x401

Retpoline Verification

You can use it Get-SpeculationControlSettings PowerShell cmdlet to verify the status of Retpolline. BTIKernelRetpolineEnabled and BTIKernelImportOptimizationEnabled must return True to output.

Microsoft reports that Skylake and the newer Intel processor generations are not compatible with the Retpоline and will return BTIKernelImportOptimizationEnabled as enabled only when you run the command.

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Written by giorgos

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