> From: Pragnesh Patel [mailto:pragnesh.pa...@sifive.com] > Sent: Tuesday, December 22, 2020 2:23 PM > To: u-boot@lists.denx.de > Cc: atish.pa...@wdc.com; palmerdabb...@google.com; bmeng...@gmail.com; > paul.walms...@sifive.com; anup.pa...@wdc.com; sagar.ka...@sifive.com; Rick > Jian-Zhi Chen(陳建志); pragnesh.pa...@openfive.com; Pragnesh Patel; Simon Glass; > Stefan Roese; Joao Marcos Costa; Reuben Dowle; Weijie Gao; Marcin > Juszkiewicz; Michael Walle; Marek Szyprowski; Keerthy > Subject: [PATCH v2 1/2] trace: select TIMER_EARLY to avoid infinite recursion > > When tracing functions is enabled this adds calls to > __cyg_profile_func_enter() and __cyg_profile_func_exit() to the traced > functions. > > __cyg_profile_func_enter() and __cyg_profile_func_exit() invoke > timer_get_us() to record the entry and exit time. > > initr_dm() will make gd->dm_root = NULL and gd->timer = NULL, so > timer_get_us() -> get_ticks() -> dm_timer_init() will lead to an > indefinite recursion. > > So select TIMER_EARLY when tracing got enabled. > > Signed-off-by: Pragnesh Patel <pragnesh.pa...@sifive.com> > --- > > Changes in v2: > - new patch > > lib/Kconfig | 1 + > 1 file changed, 1 insertion(+)
Reviewed-by: Rick Chen <r...@andestech.com>
