arm64: entry.S: Add ventry overflow sanity checks
authorJames Morse <james.morse@arm.com>
Wed, 17 Nov 2021 15:15:26 +0000 (15:15 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 11 Mar 2022 11:11:51 +0000 (12:11 +0100)
commitdc5b630c0d532140e194997d350f587dbcc78bfb
treedc2b037e646bfd66f85c88e32caa672036ecbf28
parent97d8bdf33182494b7cb327ed555313d17d80c639
arm64: entry.S: Add ventry overflow sanity checks

commit 4330e2c5c04c27bebf89d34e0bc14e6943413067 upstream.

Subsequent patches add even more code to the ventry slots.
Ensure kernels that overflow a ventry slot don't get built.

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/kernel/entry.S