On Tue, 12 Jan 2021 22:48:32 +0000, Will Deacon wrote:
> GCC versions >= 4.9 and < 5.1 have been shown to emit memory references
> beyond the stack pointer, resulting in memory corruption if an interrupt
> is taken after the stack pointer has been adjusted but before the
> reference has been executed. This leads to subtle, infrequent data
> corruption such as the EXT4 problems reported by Russell King at the
> link below.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] compiler.h: Raise minimum version of GCC to 5.1 for arm64
https://git.kernel.org/arm64/c/1f1244a5ddb7
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Catalin
