On Wed, Dec 19, 2018 at 02:55:02PM +0530, Buland Singh wrote: > The kernel command parameter 'hpet_mmap' never takes effect due to missing > '=' character in the __setup() code of hpet_mmap_enable and the memory map > of the HPET registers never get expose to userspace. > > Signed-off-by: Buland Singh <[email protected]> > --- > drivers/char/hpet.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c > index 4a22b4b41aef..9bffcd37cc7b 100644 > --- a/drivers/char/hpet.c > +++ b/drivers/char/hpet.c > @@ -377,7 +377,7 @@ static __init int hpet_mmap_enable(char *str) > pr_info("HPET mmap %s\n", hpet_mmap_enabled ? "enabled" : "disabled"); > return 1; > } > -__setup("hpet_mmap", hpet_mmap_enable); > +__setup("hpet_mmap=", hpet_mmap_enable);
What commit caused this bug? Should this go to the stable kernel trees? thanks, greg k-h
