| Message ID | 20230808201115.23993-1-gnoack3000@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | TIOCSTI: Document CAP_SYS_ADMIN behaviour in Kconfig | expand |
Günther Noack, le mar. 08 août 2023 22:11:12 +0200, a ecrit: > Clarifies that the LEGACY_TIOCSTI setting is safe to turn off even > when running BRLTTY, as it was introduced in commit 690c8b804ad2 > ("TIOCSTI: always enable for CAP_SYS_ADMIN"). > > Signed-off-by: Günther Noack <gnoack3000@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> > --- > drivers/tty/Kconfig | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig > index 341abaed4ce..069de553127 100644 > --- a/drivers/tty/Kconfig > +++ b/drivers/tty/Kconfig > @@ -164,6 +164,9 @@ config LEGACY_TIOCSTI > userspace depends on this functionality to continue operating > normally. > > + Processes which run with CAP_SYS_ADMIN, such as BRLTTY, can > + use TIOCSTI even when this is set to N. > + > This functionality can be changed at runtime with the > dev.tty.legacy_tiocsti sysctl. This configuration option sets > the default value of the sysctl. > -- > 2.41.0 >
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig index 341abaed4ce..069de553127 100644 --- a/drivers/tty/Kconfig +++ b/drivers/tty/Kconfig @@ -164,6 +164,9 @@ config LEGACY_TIOCSTI userspace depends on this functionality to continue operating normally. + Processes which run with CAP_SYS_ADMIN, such as BRLTTY, can + use TIOCSTI even when this is set to N. + This functionality can be changed at runtime with the dev.tty.legacy_tiocsti sysctl. This configuration option sets the default value of the sysctl.
Clarifies that the LEGACY_TIOCSTI setting is safe to turn off even when running BRLTTY, as it was introduced in commit 690c8b804ad2 ("TIOCSTI: always enable for CAP_SYS_ADMIN"). Signed-off-by: Günther Noack <gnoack3000@gmail.com> --- drivers/tty/Kconfig | 3 +++ 1 file changed, 3 insertions(+)