diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2021-02-01 19:06:34 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2021-02-02 17:45:09 +0000 |
| commit | 22cd5edb2d9c6d68b6ac0fc9584104d88710fa57 (patch) | |
| tree | 118d08967c89d3e2858310ccc53c7796ea4e6e3b /arch/x86 | |
| parent | 91cb2c8b072e00632adf463b78b44f123d46a0fa (diff) | |
| download | lwn-22cd5edb2d9c6d68b6ac0fc9584104d88710fa57.tar.gz lwn-22cd5edb2d9c6d68b6ac0fc9584104d88710fa57.zip | |
arm64: Use simpler arithmetics for the linear map macros
Because of the tagged addresses, the __is_lm_address() and
__lm_to_phys() macros grew to some harder to understand bitwise
operations using PAGE_OFFSET. Since these macros only accept untagged
addresses, use a simple subtract operation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-3-catalin.marinas@arm.com
Diffstat (limited to 'arch/x86')
0 files changed, 0 insertions, 0 deletions