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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2015-03-25 11:03:07 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2015-03-25 11:03:07 +0200 |
| commit | 3527a86b7ae17c949307d00e1eb7087604bca1b4 (patch) | |
| tree | 8e8eab905e7e73a3bf2c4d47abd356166533c9db /arch/arm64/include/asm/proc-fns.h | |
| parent | b388e6a7a6ba988998ddd83919ae8d3debf1a13d (diff) | |
| parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) | |
Merge tag 'v4.0-rc5' into linux-next
Merge the upstream -rc5 tag because we needed a more up-to-date base our
further work.
Diffstat (limited to 'arch/arm64/include/asm/proc-fns.h')
| -rw-r--r-- | arch/arm64/include/asm/proc-fns.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/proc-fns.h b/arch/arm64/include/asm/proc-fns.h index 9a8fd84f8fb2..941c375616e2 100644 --- a/arch/arm64/include/asm/proc-fns.h +++ b/arch/arm64/include/asm/proc-fns.h @@ -39,7 +39,11 @@ extern u64 cpu_do_resume(phys_addr_t ptr, u64 idmap_ttbr); #include <asm/memory.h> -#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm) +#define cpu_switch_mm(pgd,mm) \ +do { \ + BUG_ON(pgd == swapper_pg_dir); \ + cpu_do_switch_mm(virt_to_phys(pgd),mm); \ +} while (0) #define cpu_get_pgd() \ ({ \ |