diff options
author | Chris Redmon <credmonster@gmail.com> | 2017-03-16 18:10:43 -0400 |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-03-22 17:21:38 +0000 |
commit | fda89d9efcabaafcbbb189e969d46dc634574b67 (patch) | |
tree | c3984d526caec87eef163ff9e2ba6dc38ac7bec8 /arch/arm64/include/asm/processor.h | |
parent | 44176bb38fa48726a9658b2ccf407ea94113c760 (diff) |
arm64: struct debug_info: Check CONFIG_HAVE_HW_BREAKPOINT
Check if CONFIG_HAVE_HW_BREAKPOINT is enabled before compiling in extra
data required for hardware breakpoints. Compiling out this code when hw
breakpoints are disabled saves about 272 bytes per struct task_struct.
Signed-off-by: Chris Redmon <credmonster@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
-rw-r--r-- | arch/arm64/include/asm/processor.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index c97b8bd2acba..9428b93fefb2 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -50,6 +50,7 @@ extern phys_addr_t arm64_dma_phys_limit; #define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1) struct debug_info { +#ifdef CONFIG_HAVE_HW_BREAKPOINT /* Have we suspended stepping by a debugger? */ int suspended_step; /* Allow breakpoints and watchpoints to be disabled for this thread. */ @@ -58,6 +59,7 @@ struct debug_info { /* Hardware breakpoints pinned to this task. */ struct perf_event *hbp_break[ARM_MAX_BRP]; struct perf_event *hbp_watch[ARM_MAX_WRP]; +#endif }; struct cpu_context { |