diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2012-05-30 12:11:26 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-05-30 12:11:32 -0700 |
| commit | bbd771474ec44b516107685d77e1c80bbe09f141 (patch) | |
| tree | 0cb15781539a68f27b4ea6c89f827282630cbce6 /arch/tile/mm/migrate_32.S | |
| parent | 403e1c5b7495d7b80fae9fc4d0a7a6f5abdc3307 (diff) | |
| parent | 319b6ffc6df892e4ccffff823cc5521a4a5d2dca (diff) | |
Merge branch 'x86/trampoline' into x86/urgent
x86/trampoline contains an urgent commit which is necessarily on a
newer baseline.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/tile/mm/migrate_32.S')
| -rw-r--r-- | arch/tile/mm/migrate_32.S | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/tile/mm/migrate_32.S b/arch/tile/mm/migrate_32.S index ac01a7cdf77..5305814bf18 100644 --- a/arch/tile/mm/migrate_32.S +++ b/arch/tile/mm/migrate_32.S @@ -40,8 +40,7 @@ #define FRAME_R32 16 #define FRAME_R33 20 #define FRAME_R34 24 -#define FRAME_R35 28 -#define FRAME_SIZE 32 +#define FRAME_SIZE 28 @@ -66,12 +65,11 @@ #define r_my_cpumask r5 /* Locals (callee-save); must not be more than FRAME_xxx above. */ -#define r_save_ics r30 -#define r_context_lo r31 -#define r_context_hi r32 -#define r_access_lo r33 -#define r_access_hi r34 -#define r_asid r35 +#define r_context_lo r30 +#define r_context_hi r31 +#define r_access_lo r32 +#define r_access_hi r33 +#define r_asid r34 STD_ENTRY(flush_and_install_context) /* @@ -104,11 +102,7 @@ STD_ENTRY(flush_and_install_context) sw r_tmp, r33 addi r_tmp, sp, FRAME_R34 } - { - sw r_tmp, r34 - addi r_tmp, sp, FRAME_R35 - } - sw r_tmp, r35 + sw r_tmp, r34 /* Move some arguments to callee-save registers. */ { @@ -121,13 +115,6 @@ STD_ENTRY(flush_and_install_context) } move r_asid, r_asid_in - /* Disable interrupts, since we can't use our stack. */ - { - mfspr r_save_ics, INTERRUPT_CRITICAL_SECTION - movei r_tmp, 1 - } - mtspr INTERRUPT_CRITICAL_SECTION, r_tmp - /* First, flush our L2 cache. */ { move r0, zero /* cache_pa */ @@ -163,7 +150,7 @@ STD_ENTRY(flush_and_install_context) } { move r4, r_asid - movei r5, HV_CTX_DIRECTIO + moveli r5, HV_CTX_DIRECTIO | CTX_PAGE_FLAG } jal hv_install_context bnz r0, .Ldone @@ -175,9 +162,6 @@ STD_ENTRY(flush_and_install_context) } .Ldone: - /* Reset interrupts back how they were before. */ - mtspr INTERRUPT_CRITICAL_SECTION, r_save_ics - /* Restore the callee-saved registers and return. */ addli lr, sp, FRAME_SIZE { @@ -202,10 +186,6 @@ STD_ENTRY(flush_and_install_context) } { lw r34, r_tmp - addli r_tmp, sp, FRAME_R35 - } - { - lw r35, r_tmp addi sp, sp, FRAME_SIZE } jrp lr |