Re: [PATCH] arch/tile: Fix syscall return value passed to tracepoint

From: Chris Metcalf
Date: Wed Apr 24 2013 - 16:45:36 EST

On 4/17/2013 11:01 AM, Simon Marchi wrote:
> Currently the syscall number is passed, but it should be the return
> value, which is kept in r0.
> Signed-off-by: Simon Marchi <simon.marchi@xxxxxxxxxx>
> ---
> This patch applies on Chris Metcalf's tree:
> arch/tile/include/uapi/arch/abi.h | 2 ++
> arch/tile/kernel/ptrace.c | 2 +-
> 2 files changed, 3 insertions(+), 1 deletions(-)

Accepted into the tile tree, but just using [0] instead of adding a new <arch/abi.h> #define. The reason is that the compiler actually uses r0..r9 inclusive for return values, e.g. returning small structs, so I'm reluctant to call out r0 for a special name.

Chris Metcalf, Tilera Corp.

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