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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-06-01 13:40:34 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2015-06-02 17:45:07 +0100 |
| commit | 9acdc2af0c0b836183b7f31f630bbed341a7cf4d (patch) | |
| tree | 095abac6f030e321258b85eb7edd61e34be033ec /arch/arm64/kernel/sleep.S | |
| parent | 5dfe9d7d23c26d029415379630523f141a748c5b (diff) | |
| download | linux-9acdc2af0c0b836183b7f31f630bbed341a7cf4d.tar.gz linux-9acdc2af0c0b836183b7f31f630bbed341a7cf4d.tar.bz2 linux-9acdc2af0c0b836183b7f31f630bbed341a7cf4d.zip | |
arm64: drop sleep_idmap_phys and clean up cpu_resume()
Two cleanups of the asm function cpu_resume():
- The global variable sleep_idmap_phys always points to idmap_pg_dir,
so we can just use that value directly in the CPU resume path.
- Unclutter the load of sleep_save_sp::save_ptr_stash_phys.
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/sleep.S')
| -rw-r--r-- | arch/arm64/kernel/sleep.S | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S index 811e61a2d847..803cfea41962 100644 --- a/arch/arm64/kernel/sleep.S +++ b/arch/arm64/kernel/sleep.S @@ -164,15 +164,12 @@ ENTRY(cpu_resume) #else mov x7, xzr #endif - adrp x0, sleep_save_sp - add x0, x0, #:lo12:sleep_save_sp - ldr x0, [x0, #SLEEP_SAVE_SP_PHYS] + ldr_l x0, sleep_save_sp + SLEEP_SAVE_SP_PHYS ldr x0, [x0, x7, lsl #3] /* load sp from context */ ldr x2, [x0, #CPU_CTX_SP] - adrp x1, sleep_idmap_phys /* load physical address of identity map page table in x1 */ - ldr x1, [x1, #:lo12:sleep_idmap_phys] + adrp x1, idmap_pg_dir mov sp, x2 /* * cpu_do_resume expects x0 to contain context physical address |