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| author |   Vineet Gupta <vgupta@synopsys.com> | 2013-05-28 09:43:17 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-06-22 19:23:22 +0530 |
| commit | 2fa919045b72ec892e17d56f888e6af4260b7629 (patch) | |
| tree | 1f0f89110514c07939666d6b1f225b3e8dff6be3 /arch/arc/include/asm | |
| parent | ARC: pt_regs update #1: Align pt_regs end with end of kernel stack page (diff) | |
| download | linux-dev-2fa919045b72ec892e17d56f888e6af4260b7629.tar.xz linux-dev-2fa919045b72ec892e17d56f888e6af4260b7629.zip | |
ARC: pt_regs update #2: Remove unused gutter at start of pt_regs
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm')
| -rw-r--r-- | arch/arc/include/asm/entry.h | 16 | ||||
| -rw-r--r-- | arch/arc/include/asm/ptrace.h | 6 |
2 files changed, 0 insertions, 22 deletions
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h index 2b274fa9c5a7..5ff7b8dd3d5b 100644 --- a/arch/arc/include/asm/entry.h +++ b/arch/arc/include/asm/entry.h @@ -432,9 +432,6 @@ st.a r9, [sp, -4] lr r9, [erbta] st.a r9, [sp, -4] - - /* move up by 1 word to "create" pt_regs->"stack_place_holder" */ - sub sp, sp, 4 .endm /*-------------------------------------------------------------- @@ -474,9 +471,6 @@ * by hardware and that is not good. *-------------------------------------------------------------*/ .macro RESTORE_ALL_SYS - - add sp, sp, 4 /* hop over unused "pt_regs->stack_place_holder" */ - ld.ab r9, [sp, 4] sr r9, [erbta] ld.ab r9, [sp, 4] @@ -530,9 +524,6 @@ st.a r9, [sp, -4] lr r9, [bta_l1] st.a r9, [sp, -4] - - /* move up by 1 word to "create" pt_regs->"stack_place_holder" */ - sub sp, sp, 4 .endm .macro SAVE_ALL_INT2 @@ -561,9 +552,6 @@ st.a r9, [sp, -4] lr r9, [bta_l2] st.a r9, [sp, -4] - - /* move up by 1 word to "create" pt_regs->"stack_place_holder" */ - sub sp, sp, 4 .endm /*-------------------------------------------------------------- @@ -577,8 +565,6 @@ *-------------------------------------------------------------*/ .macro RESTORE_ALL_INT1 - add sp, sp, 4 /* hop over unused "pt_regs->stack_place_holder" */ - ld.ab r9, [sp, 4] /* Actual reg file */ sr r9, [bta_l1] ld.ab r9, [sp, 4] @@ -601,8 +587,6 @@ .endm .macro RESTORE_ALL_INT2 - add sp, sp, 4 /* hop over unused "pt_regs->stack_place_holder" */ - ld.ab r9, [sp, 4] sr r9, [bta_l2] ld.ab r9, [sp, 4] diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index f82a3a2201b5..7491bb7428bd 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -17,12 +17,6 @@ /* THE pt_regs: Defines how regs are saved during entry into kernel */ struct pt_regs { - /* - * 1 word gutter after reg-file has been saved - * Technically not needed, Since SP always points to a "full" location - * (vs. "empty"). But pt_regs is shared with tools.... - */ - long res; /* Real registers */ long bta; /* bta_l1, bta_l2, erbta */ |