arm: Implement copy_thread_tls
authorAmanieu d'Antras <amanieu@gmail.com>
Thu, 2 Jan 2020 17:24:09 +0000 (18:24 +0100)
committerChristian Brauner <christian.brauner@ubuntu.com>
Tue, 7 Jan 2020 12:31:20 +0000 (13:31 +0100)
commit167ee0b82429cb5df272808c7a21370b7c961ab2
tree84b2116644d55097994d71d92d9ebdc5090f91f6
parenta4376f2fbcc8084832f2f114577c8d68234c7903
arm: Implement copy_thread_tls

This is required for clone3 which passes the TLS value through a
struct rather than a register.

Signed-off-by: Amanieu d'Antras <amanieu@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: <stable@vger.kernel.org> # 5.3.x
Link: https://lore.kernel.org/r/20200102172413.654385-4-amanieu@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
arch/arm/Kconfig
arch/arm/kernel/process.c