On Thu, Jan 14, 2021 at 1:08 AM Catalin Marinas <catalin.mari...@arm.com> wrote: > > 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 >
Maybe, we can raise the minimal version to gcc 5.1 for all architectures. -- Best Regards Masahiro Yamada