c653bd04f7
MIPS has separate definitions of activate_mm() & switch_mm() which are identical apart from switch_mm() checking that the ASID is valid before acquiring a new one. We know that when activate_mm() is called cpu_context(X, mm) will be zero, and this will never be considered a valid ASID because we never allow the ASID version number to be zero, instead beginning with version 1 using asid_first_version(). Therefore switch_mm() will always allocate a new ASID when called for a new task, meaning that it will behave identically to activate_mm(). Take advantage of this to remove the duplication & define activate_mm() using switch_mm() just like many other architectures do. Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org |
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| uapi/asm | ||