# Re: \[PATCH\] compiler.h: Raise minimum version of GCC to 5.1 for arm64

- From: Catalin Marinas \<catalin.marinas@arm.com\>
- Date: 2021-01-13 16:08:48 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/01/6233595
- Thread: https://ratatoskr.run/linux-arm-kernel/2021/01/6232574/t.md

```text
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

-- 
Catalin


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