CC Borislav
2018-08-08 0:26 GMT+08:00 Dongjiu Geng <gengdong...@huawei.com>: > In order to remove the additional check before calling the > ghes_notify_sea(), make stub definition when !CONFIG_ACPI_APEI_SEA. > > After this cleanup, we can simply call the ghes_notify_sea() to let > APEI driver handle the SEA notification. > > CC: Tyler Baicar <tbai...@codeaurora.org> > CC: James Morse <james.mo...@arm.com> > Signed-off-by: Dongjiu Geng <gengdong...@huawei.com> > Acked-by: Will Deacon <will.dea...@arm.com> > --- > This cleanup is ever mentioned by Mark Rutland in [1] > > [1]: > https://lkml.org/lkml/2018/5/31/289 > > Change since v1: > 1. Update the commit messages > 2. CC Tyler and James > 3. Add Acked-by of Will > --- > arch/arm64/mm/fault.c | 7 +------ > include/acpi/ghes.h | 4 ++++ > 2 files changed, 5 insertions(+), 6 deletions(-) > > diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c > index b8eecc7..9ffe01d 100644 > --- a/arch/arm64/mm/fault.c > +++ b/arch/arm64/mm/fault.c > @@ -727,12 +727,7 @@ static int do_sea(unsigned long addr, unsigned int esr, > struct pt_regs *regs) > > int handle_guest_sea(phys_addr_t addr, unsigned int esr) > { > - int ret = -ENOENT; > - > - if (IS_ENABLED(CONFIG_ACPI_APEI_SEA)) > - ret = ghes_notify_sea(); > - > - return ret; > + return ghes_notify_sea(); > } > > asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int > esr, > diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h > index 1624e2b..82cb4eb 100644 > --- a/include/acpi/ghes.h > +++ b/include/acpi/ghes.h > @@ -118,6 +118,10 @@ static inline void *acpi_hest_get_next(struct > acpi_hest_generic_data *gdata) > (void *)section - (void *)(estatus + 1) < estatus->data_length; \ > section = acpi_hest_get_next(section)) > > +#ifdef CONFIG_ACPI_APEI_SEA > int ghes_notify_sea(void); > +#else > +static inline int ghes_notify_sea(void) { return -ENOENT; } > +#endif > > #endif /* GHES_H */ > -- > 1.9.1 >
