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| author | Matt Redfearn <matt.redfearn@imgtec.com> | 2016-12-19 15:20:56 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2017-01-03 16:34:34 +0100 |
| commit | fe8bd18ffea5327344d4ec2bf11f47951212abd0 (patch) | |
| tree | 928a7f758616975d5cc5b66512aa24939c3e9e3f /arch/mips/kernel/asm-offsets.c | |
| parent | MIPS: IP22: Fix build error due to binutils 2.25 uselessnes. (diff) | |
| download | linux-fe8bd18ffea5327344d4ec2bf11f47951212abd0.tar.xz linux-fe8bd18ffea5327344d4ec2bf11f47951212abd0.zip | |
MIPS: Introduce irq_stack
Allocate a per-cpu irq stack for use within interrupt handlers.
Also add a utility function on_irq_stack to determine if a given stack
pointer is within the irq stack for that cpu.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Acked-by: Jason A. Donenfeld <jason@zx2c4.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Aaron Tomlin <atomlin@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14740/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/asm-offsets.c')
| -rw-r--r-- | arch/mips/kernel/asm-offsets.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index 6080582a26d1..a7277698d328 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -102,6 +102,7 @@ void output_thread_info_defines(void) OFFSET(TI_REGS, thread_info, regs); DEFINE(_THREAD_SIZE, THREAD_SIZE); DEFINE(_THREAD_MASK, THREAD_MASK); + DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); BLANK(); } |