Searched hist:f8e17c17 (Results 1 – 3 of 3) sorted by relevance
| /openbmc/linux/arch/csky/kernel/ |
| H A D | atomic.S | f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
|
| /openbmc/linux/arch/csky/abiv1/inc/abi/ |
| H A D | entry.h | f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
|
| /openbmc/linux/arch/csky/abiv2/inc/abi/ |
| H A D | entry.h | f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
f8e17c17 Mon Dec 16 21:12:55 CST 2019 Guo Ren <guoren@linux.alibaba.com> csky: Set regs->usp to kernel sp, when the exception is from kernel
In the past, we didn't care about kernel sp when saving pt_reg. But in some
cases, we still need pt_reg->usp to represent the kernel stack before enter
exception.
For cmpxhg in atomic.S, we need save and restore usp for above.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
|