scs: Report SCS usage in bytes rather than number of entries
authorWill Deacon <will@kernel.org>
Wed, 3 Jun 2020 11:16:37 +0000 (12:16 +0100)
committerWill Deacon <will@kernel.org>
Thu, 4 Jun 2020 15:14:56 +0000 (16:14 +0100)
commit333ed74689b8fca097574124fef7fa0e3d7f79d4
treeb4f2b452c5671951f96d01eaf5bccc8e5995f5a7
parent082af5ec5080b028f7d0846a6c27cbb87f288205
scs: Report SCS usage in bytes rather than number of entries

Fix the SCS debug usage check so that we report the number of bytes
used, rather than the number of entries.

Fixes: 5bbaf9d1fcb9 ("scs: Add support for stack usage debugging")
Reported-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Will Deacon <will@kernel.org>
kernel/scs.c