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| author | Paul Burton <paul.burton@imgtec.com> | 2016-05-06 15:36:24 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 14:02:20 +0200 |
| commit | 2db003a5ddee986d4bc67c069ee3aa1b1b320f1d (patch) | |
| tree | cb96d86dd67b23b02a31669ec4c323c0b00f0be5 /arch/mips/kernel/asm-offsets.c | |
| parent | MIPS: Retrieve ASID masks using function accepting struct cpuinfo_mips (diff) | |
| download | linux-2db003a5ddee986d4bc67c069ee3aa1b1b320f1d.tar.xz linux-2db003a5ddee986d4bc67c069ee3aa1b1b320f1d.zip | |
MIPS: Support extended ASIDs
Add support for extended ASIDs as determined by the Config4.AE bit.
Since the only supported CPUs known to implement this are Netlogic XLP
and MIPS I6400, select this variable ASID support based upon
CONFIG_CPU_XLP and CONFIG_CPU_MIPSR6.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Jayachandran C. <jchandra@broadcom.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13211/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/asm-offsets.c')
| -rw-r--r-- | arch/mips/kernel/asm-offsets.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index 154e2039ea5e..1ea973b2abb1 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -14,6 +14,7 @@ #include <linux/mm.h> #include <linux/kbuild.h> #include <linux/suspend.h> +#include <asm/cpu-info.h> #include <asm/pm.h> #include <asm/ptrace.h> #include <asm/processor.h> @@ -338,6 +339,15 @@ void output_pm_defines(void) } #endif +void output_cpuinfo_defines(void) +{ + COMMENT(" MIPS cpuinfo offsets. "); + DEFINE(CPUINFO_SIZE, sizeof(struct cpuinfo_mips)); +#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE + OFFSET(CPUINFO_ASID_MASK, cpuinfo_mips, asid_mask); +#endif +} + void output_kvm_defines(void) { COMMENT(" KVM/MIPS Specfic offsets. "); |