On Tue, 18 Apr 2017 18:58:45 -0700 Li Qiang <liq...@gmail.com> wrote:
> CONFIG_STRICT_KERNEL_RWX is no longer selectable on most architectures. > Update this info to the documentation. > > Signed-off-by: Li Qiang <liqiang...@360.cn> > --- > Documentation/DocBook/kgdb.tmpl | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/Documentation/DocBook/kgdb.tmpl b/Documentation/DocBook/kgdb.tmpl > index 856ac20..ef0b67b 100644 > --- a/Documentation/DocBook/kgdb.tmpl > +++ b/Documentation/DocBook/kgdb.tmpl > @@ -121,7 +121,9 @@ > If kgdb supports it for the architecture you are using, you can > use hardware breakpoints if you desire to run with the > CONFIG_STRICT_KERNEL_RWX option turned on, else you need to turn off > - this option. > + this option. In most architectures, this option is not selectable. > + For this situation, it can be turned off by adding a runtime parameter > + 'rodata=off'. So this is an improvement, I guess, though the paragraph remains kind of confusing. Is there any chance we could actually just say which architectures can use hardware breakpoints, and which should boot with rodata=off? Thanks, jon
