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| author | Max Filippov <jcmvbkbc@gmail.com> | 2022-03-06 08:01:49 +0300 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2022-03-07 23:02:48 +0300 |
| commit | 6fad9ddc7d9f6dfb8a53c192f746c26e0d72ee35 (patch) | |
| tree | c0dee0464160e986759e3284bdfc3f8e9ed6f852 /arch/xtensa/kernel/vectors.S | |
| parent | 6496f3a717099526f09bc3c8269d00f9a97c7740 (diff) | |
| download | linux-6fad9ddc7d9f6dfb8a53c192f746c26e0d72ee35.tar.xz | |
xtensa: rename PT_SIZE to PT_KERNEL_SIZE
PT_SIZE is used by the xtensa port to designate kernel exception frame
size. In preparation for struct pt_regs size change rename PT_SIZE to
PT_KERNEL_SIZE for clarity and change its definition to always cover
only the kernel exception frame.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch/xtensa/kernel/vectors.S')
| -rw-r--r-- | arch/xtensa/kernel/vectors.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 407ece204e7c..1073fe4a584d 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -88,7 +88,7 @@ ENDPROC(_UserExceptionVector) * Kernel exception vector. (Exceptions with PS.UM == 0, PS.EXCM == 0) * * We get this exception when we were already in kernel space. - * We decrement the current stack pointer (kernel) by PT_SIZE and + * We decrement the current stack pointer (kernel) by PT_KERNEL_SIZE and * jump to the first-level handler associated with the exception cause. * * Note: we need to preserve space for the spill region. @@ -100,7 +100,7 @@ ENTRY(_KernelExceptionVector) xsr a3, excsave1 # save a3, and get dispatch table wsr a2, depc # save a2 - addi a2, a1, -16-PT_SIZE # adjust stack pointer + addi a2, a1, -16 - PT_KERNEL_SIZE # adjust stack pointer s32i a0, a2, PT_AREG0 # save a0 to ESF rsr a0, exccause # retrieve exception cause s32i a0, a2, PT_DEPC # mark it as a regular exception |