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FROMLIST: [PATCH v5 07/12] arm: vdso: disable profiling
(cherry pick from url https://patchwork.kernel.org/patch/10044491/) Take an effort to recode the arm64 vdso code from assembler to C previously submitted by Andrew Pinski <apinski@cavium.com>, rework it for use in both arm and arm64, overlapping any optimizations for each architecture. But instead of landing it in arm64, land the result into lib/vdso and unify both implementations to simplify future maintenance. Make sure kasan and ubsan profiling, and kcov instrumentation, is turned off for VDSO code. Signed-off-by: Mark Salyzyn <salyzyn@android.com> Cc: James Morse <james.morse@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Dmitry Safonov <dsafonov@virtuozzo.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Laura Abbott <labbott@redhat.com> Cc: Kees Cook <keescook@chromium.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Andy Gross <andy.gross@linaro.org> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Andrew Pinski <apinski@cavium.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Bug: 63737556 Bug: 20045882 Change-Id: I2b44c1edd81665b8bb235a65ba642767c35f1e61 Signed-off-by: khusika <khusikadhamar@gmail.com>
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