Commit fda89d9e authored by Chris Redmon's avatar Chris Redmon Committed by Catalin Marinas

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: default avatarChris Redmon <credmonster@gmail.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 44176bb3
...@@ -50,6 +50,7 @@ extern phys_addr_t arm64_dma_phys_limit; ...@@ -50,6 +50,7 @@ extern phys_addr_t arm64_dma_phys_limit;
#define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1) #define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1)
struct debug_info { struct debug_info {
#ifdef CONFIG_HAVE_HW_BREAKPOINT
/* Have we suspended stepping by a debugger? */ /* Have we suspended stepping by a debugger? */
int suspended_step; int suspended_step;
/* Allow breakpoints and watchpoints to be disabled for this thread. */ /* Allow breakpoints and watchpoints to be disabled for this thread. */
...@@ -58,6 +59,7 @@ struct debug_info { ...@@ -58,6 +59,7 @@ struct debug_info {
/* Hardware breakpoints pinned to this task. */ /* Hardware breakpoints pinned to this task. */
struct perf_event *hbp_break[ARM_MAX_BRP]; struct perf_event *hbp_break[ARM_MAX_BRP];
struct perf_event *hbp_watch[ARM_MAX_WRP]; struct perf_event *hbp_watch[ARM_MAX_WRP];
#endif
}; };
struct cpu_context { struct cpu_context {
......
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