[v3] x86/module: rework ROX cache to avoid writable copy

[PATCH v3 9/9] x86: re-enable EXECMEM_ROX support

Posted by Mike Rapoport 10 months, 3 weeks ago

From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>

after rework of execmem ROX caches

Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ef6cfea9df73..9d7bd0ae48c4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -83,6 +83,7 @@ config X86
 	select ARCH_HAS_DMA_OPS			if GART_IOMMU || XEN
 	select ARCH_HAS_EARLY_DEBUG		if KGDB
 	select ARCH_HAS_ELF_RANDOMIZE
+	select ARCH_HAS_EXECMEM_ROX		if X86_64
 	select ARCH_HAS_FAST_MULTIPLIER
 	select ARCH_HAS_FORTIFY_SOURCE
 	select ARCH_HAS_GCOV_PROFILE_ALL
-- 
2.45.2

[tip: x86/mm] x86: re-enable EXECMEM_ROX support

Posted by tip-bot2 for Mike Rapoport (Microsoft) 10 months, 2 weeks ago

The following commit has been merged into the x86/mm branch of tip:

Commit-ID:     64f6a4e10c05ed527f0f24b7954964255e0d3535
Gitweb:        https://git.kernel.org/tip/64f6a4e10c05ed527f0f24b7954964255e0d3535
Author:        Mike Rapoport (Microsoft) <rppt@kernel.org>
AuthorDate:    Sun, 26 Jan 2025 09:47:33 +02:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 03 Feb 2025 11:46:03 +01:00

x86: re-enable EXECMEM_ROX support

after rework of execmem ROX caches

Signed-off-by: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250126074733.1384926-10-rppt@kernel.org
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 87198d9..6df7779 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -85,6 +85,7 @@ config X86
 	select ARCH_HAS_DMA_OPS			if GART_IOMMU || XEN
 	select ARCH_HAS_EARLY_DEBUG		if KGDB
 	select ARCH_HAS_ELF_RANDOMIZE
+	select ARCH_HAS_EXECMEM_ROX		if X86_64
 	select ARCH_HAS_FAST_MULTIPLIER
 	select ARCH_HAS_FORTIFY_SOURCE
 	select ARCH_HAS_GCOV_PROFILE_ALL