Le 02/03/2021 à 15:58, Philippe Mathieu-Daudé a écrit :
> We can not use watchpoints in user-mode emulation because we
> need the softmmu slow path to detect accesses to watchpointed
> memory. This code is expanded as empty stub in "hw/core/cpu.h"
> anyway, so we can drop it.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
> ---
> linux-user/main.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/linux-user/main.c b/linux-user/main.c
> index 81f48ff54ed..d7af3ffbc22 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -200,7 +200,6 @@ CPUArchState *cpu_copy(CPUArchState *env)
> CPUState *new_cpu = cpu_create(cpu_type);
> CPUArchState *new_env = new_cpu->env_ptr;
> CPUBreakpoint *bp;
> - CPUWatchpoint *wp;
>
> /* Reset non arch specific state */
> cpu_reset(new_cpu);
> @@ -211,13 +210,9 @@ CPUArchState *cpu_copy(CPUArchState *env)
> Note: Once we support ptrace with hw-debug register access, make sure
> BP_CPU break/watchpoints are handled correctly on clone. */
> QTAILQ_INIT(&new_cpu->breakpoints);
> - QTAILQ_INIT(&new_cpu->watchpoints);
> QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) {
> cpu_breakpoint_insert(new_cpu, bp->pc, bp->flags, NULL);
> }
> - QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) {
> - cpu_watchpoint_insert(new_cpu, wp->vaddr, wp->len, wp->flags, NULL);
> - }
>
> return new_env;
> }
>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
