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Wysocki" , Danilo Krummrich , Andrew Morton , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-modules@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: "Yury Norov (NVIDIA)" , Jani Nikula Subject: [PATCH v2 1/4] kernel.h: drop STACK_MAGIC macro Date: Wed, 3 Dec 2025 11:23:22 -0500 Message-ID: <20251203162329.280182-2-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251203162329.280182-1-yury.norov@gmail.com> References: <20251203162329.280182-1-yury.norov@gmail.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The macro was introduced in 1994, v1.0.4, for stacks protection. Since that, people found better ways to protect stacks, and now the macro is only used by i915 selftests. Move it to a local header and drop from the kernel.h. Reviewed-by: Andy Shevchenko Acked-by: Randy Dunlap Acked-by: Jani Nikula Signed-off-by: Yury Norov (NVIDIA) --- drivers/gpu/drm/i915/gt/selftest_ring_submission.c | 1 + drivers/gpu/drm/i915/i915_selftest.h | 2 ++ include/linux/kernel.h | 2 -- 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c index 87ceb0f374b6..600333ae6c8c 100644 --- a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c @@ -3,6 +3,7 @@ * Copyright © 2020 Intel Corporation */ +#include "i915_selftest.h" #include "intel_engine_pm.h" #include "selftests/igt_flush_test.h" diff --git a/drivers/gpu/drm/i915/i915_selftest.h b/drivers/gpu/drm/i915/i915_selftest.h index bdf3e22c0a34..72922028f4ba 100644 --- a/drivers/gpu/drm/i915/i915_selftest.h +++ b/drivers/gpu/drm/i915/i915_selftest.h @@ -26,6 +26,8 @@ #include +#define STACK_MAGIC 0xdeadbeef + struct pci_dev; struct drm_i915_private; diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5b46924fdff5..61d63c57bc2d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -40,8 +40,6 @@ #include -#define STACK_MAGIC 0xdeadbeef - struct completion; struct user; -- 2.43.0