linux-kernel - [PATCH 2/3] riscv: Align on L1_CACHE_BYTES when STRICT_KERNEL

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Message-Id: <20210129190038.1001626-2-atish.patra@wdc.com>
Date:   Fri, 29 Jan 2021 11:00:37 -0800
From:   Atish Patra <atish.patra@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Sebastien Van Cauwenberghe <svancau@...il.com>,
        Atish Patra <atish.patra@....com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <anup.patel@....com>,
        Ard Biesheuvel <ardb@...nel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        linux-riscv@...ts.infradead.org,
        Nick Desaulniers <ndesaulniers@...ogle.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Zong Li <zong.li@...ive.com>
Subject: [PATCH 2/3] riscv: Align on L1_CACHE_BYTES when STRICT_KERNEL_RWX

From: Sebastien Van Cauwenberghe <svancau@...il.com>

Allows the sections to be aligned on smaller boundaries and
therefore results in a smaller kernel image size.

Signed-off-by: Sebastien Van Cauwenberghe <svancau@...il.com>
Reviewed-by: Atish Patra <atish.patra@....com>
---
 arch/riscv/include/asm/set_memory.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/include/asm/set_memory.h b/arch/riscv/include/asm/set_memory.h
index 211eb8244a45..8b80c80c7f1a 100644
--- a/arch/riscv/include/asm/set_memory.h
+++ b/arch/riscv/include/asm/set_memory.h
@@ -32,14 +32,14 @@ bool kernel_page_present(struct page *page);
 
 #endif /* __ASSEMBLY__ */
 
-#ifdef CONFIG_ARCH_HAS_STRICT_KERNEL_RWX
+#ifdef CONFIG_STRICT_KERNEL_RWX
 #ifdef CONFIG_64BIT
 #define SECTION_ALIGN (1 << 21)
 #else
 #define SECTION_ALIGN (1 << 22)
 #endif
-#else /* !CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */
+#else /* !CONFIG_STRICT_KERNEL_RWX */
 #define SECTION_ALIGN L1_CACHE_BYTES
-#endif /* CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */
+#endif /* CONFIG_STRICT_KERNEL_RWX */
 
 #endif /* _ASM_RISCV_SET_MEMORY_H */
-- 
2.25.1