Re: [PATCH 1/3] x86: Don't save/restore EFLAGS on task switch

On Wed, May 4, 2016 at 7:44 PM, Brian Gerst wrote: > Now that NT is filtered by the SYSENTER entry code, it is safe to skip saving > and > restoring flags on task switch. Also remove a leftover reset of flags on > 64-bit > fork. Acked-by: Andy Lutomirski

Re: [PATCH 1/3] x86: Don't save/restore EFLAGS on task switch

On Wed, May 4, 2016 at 7:44 PM, Brian Gerst wrote: > Now that NT is filtered by the SYSENTER entry code, it is safe to skip saving > and > restoring flags on task switch. Also remove a leftover reset of flags on > 64-bit > fork. Acked-by: Andy Lutomirski

[PATCH 1/3] x86: Don't save/restore EFLAGS on task switch

Now that NT is filtered by the SYSENTER entry code, it is safe to skip saving and restoring flags on task switch. Also remove a leftover reset of flags on 64-bit fork. Signed-off-by: Brian Gerst --- arch/x86/entry/entry_32.S| 4 arch/x86/entry/entry_64.S

[PATCH 1/3] x86: Don't save/restore EFLAGS on task switch

Now that NT is filtered by the SYSENTER entry code, it is safe to skip saving and restoring flags on task switch. Also remove a leftover reset of flags on 64-bit fork. Signed-off-by: Brian Gerst --- arch/x86/entry/entry_32.S| 4 arch/x86/entry/entry_64.S| 3 ---