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arm64: entry.S: Add ventry overflow sanity checks
authorJames Morse <james.morse@arm.com>
Thu, 31 Mar 2022 18:33:42 +0000 (19:33 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 2 Apr 2022 10:41:09 +0000 (12:41 +0200)
commite92de6ac5028549d12fff8ee129cecc6cc55a53e
tree2025bfb91cab1341709e2bedf38b46582b5e2f08tree
parent63271842d1b0232e45df6db155c7f3854b25f082commit | diff
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>
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