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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id c8sm10527798pfi.117.2019.10.10.17.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 17:06:32 -0700 (PDT) From: Kees Cook To: Borislav Petkov Cc: Kees Cook , Rick Edgecombe , Dave Hansen , Andy Lutomirski , Arnd Bergmann , Michael Ellerman , Heiko Carstens , Will Deacon , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 13/29] vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA Date: Thu, 10 Oct 2019 17:05:53 -0700 Message-Id: <20191011000609.29728-14-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011000609.29728-1-keescook@chromium.org> References: <20191011000609.29728-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rename RW_DATA_SECTION to RW_DATA. (Calling this a "section" is a lie, since it's multiple sections and section flags cannot be applied to the macro.) Signed-off-by: Kees Cook --- arch/alpha/kernel/vmlinux.lds.S | 2 +- arch/arc/kernel/vmlinux.lds.S | 2 +- arch/arm/kernel/vmlinux-xip.lds.S | 2 +- arch/arm/kernel/vmlinux.lds.S | 2 +- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/csky/kernel/vmlinux.lds.S | 2 +- arch/h8300/kernel/vmlinux.lds.S | 2 +- arch/hexagon/kernel/vmlinux.lds.S | 2 +- arch/m68k/kernel/vmlinux-nommu.lds | 2 +- arch/m68k/kernel/vmlinux-std.lds | 2 +- arch/m68k/kernel/vmlinux-sun3.lds | 2 +- arch/microblaze/kernel/vmlinux.lds.S | 2 +- arch/nds32/kernel/vmlinux.lds.S | 2 +- arch/nios2/kernel/vmlinux.lds.S | 2 +- arch/openrisc/kernel/vmlinux.lds.S | 2 +- arch/parisc/kernel/vmlinux.lds.S | 2 +- arch/riscv/kernel/vmlinux.lds.S | 2 +- arch/s390/kernel/vmlinux.lds.S | 2 +- arch/sh/kernel/vmlinux.lds.S | 2 +- arch/sparc/kernel/vmlinux.lds.S | 2 +- arch/unicore32/kernel/vmlinux.lds.S | 2 +- arch/xtensa/kernel/vmlinux.lds.S | 2 +- include/asm-generic/vmlinux.lds.h | 4 ++-- 23 files changed, 24 insertions(+), 24 deletions(-) diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index af411817dd7d..edc45f45523b 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -50,7 +50,7 @@ SECTIONS _sdata = .; /* Start of rw data section */ _data = .; - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) .got : { *(.got) diff --git a/arch/arc/kernel/vmlinux.lds.S b/arch/arc/kernel/vmlinux.lds.S index 7d1d27066deb..54139a6f469b 100644 --- a/arch/arc/kernel/vmlinux.lds.S +++ b/arch/arc/kernel/vmlinux.lds.S @@ -101,7 +101,7 @@ SECTIONS * 1. this is .data essentially * 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned */ - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index d2a9651c24ad..21b8b271c80d 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -112,7 +112,7 @@ SECTIONS . = ALIGN(THREAD_SIZE); _sdata = .; - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) .data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) { *(.data..ro_after_init) } diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 068db6860867..319ccb10846a 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -141,7 +141,7 @@ SECTIONS __init_end = .; _sdata = .; - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; BSS_SECTION(0, 0, 0) diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index e7dafc29b1fa..a4b3e6c0680c 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -214,7 +214,7 @@ SECTIONS _data = .; _sdata = .; - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN) /* * Data written with the MMU off but read with the MMU on requires diff --git a/arch/csky/kernel/vmlinux.lds.S b/arch/csky/kernel/vmlinux.lds.S index 8598bd7a7bcd..2ff37beaf2bf 100644 --- a/arch/csky/kernel/vmlinux.lds.S +++ b/arch/csky/kernel/vmlinux.lds.S @@ -50,7 +50,7 @@ SECTIONS _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; EXCEPTION_TABLE(L1_CACHE_BYTES) diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S index d3247d33b115..2ac7bdcd2fe0 100644 --- a/arch/h8300/kernel/vmlinux.lds.S +++ b/arch/h8300/kernel/vmlinux.lds.S @@ -47,7 +47,7 @@ SECTIONS #endif _sdata = . ; __data_start = . ; - RW_DATA_SECTION(0, PAGE_SIZE, THREAD_SIZE) + RW_DATA(0, PAGE_SIZE, THREAD_SIZE) #if defined(CONFIG_ROMKERNEL) #undef ADDR #endif diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S index 0145251fa317..0ca2471ddb9f 100644 --- a/arch/hexagon/kernel/vmlinux.lds.S +++ b/arch/hexagon/kernel/vmlinux.lds.S @@ -49,7 +49,7 @@ SECTIONS INIT_DATA_SECTION(PAGE_SIZE) _sdata = .; - RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE) + RW_DATA(32,PAGE_SIZE,_THREAD_SIZE) RO_DATA(PAGE_SIZE) _edata = .; diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-nommu.lds index de80f8b8ae78..7b975420c3d9 100644 --- a/arch/m68k/kernel/vmlinux-nommu.lds +++ b/arch/m68k/kernel/vmlinux-nommu.lds @@ -61,7 +61,7 @@ SECTIONS { _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) _edata = .; EXCEPTION_TABLE(16) diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index 625a5785804f..6e7eb49ed985 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -33,7 +33,7 @@ SECTIONS RODATA - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) BSS_SECTION(0, 0, 0) diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds index 9868270b0984..1a0ad6b6dd8c 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -30,7 +30,7 @@ SECTIONS EXCEPTION_TABLE(16) :data _sdata = .; /* Start of rw data section */ - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) :data + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) :data /* End of data goes *here* so that freeing init code works properly. */ _edata = .; NOTES diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S index 2299694748ea..b8efb08204a1 100644 --- a/arch/microblaze/kernel/vmlinux.lds.S +++ b/arch/microblaze/kernel/vmlinux.lds.S @@ -69,7 +69,7 @@ SECTIONS { } _sdata = . ; - RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) + RW_DATA(32, PAGE_SIZE, THREAD_SIZE) _edata = . ; /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ diff --git a/arch/nds32/kernel/vmlinux.lds.S b/arch/nds32/kernel/vmlinux.lds.S index 10ff570ba95b..f679d3397436 100644 --- a/arch/nds32/kernel/vmlinux.lds.S +++ b/arch/nds32/kernel/vmlinux.lds.S @@ -54,7 +54,7 @@ SECTIONS _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; EXCEPTION_TABLE(16) diff --git a/arch/nios2/kernel/vmlinux.lds.S b/arch/nios2/kernel/vmlinux.lds.S index 318804a2c7a1..c55a7cfa1075 100644 --- a/arch/nios2/kernel/vmlinux.lds.S +++ b/arch/nios2/kernel/vmlinux.lds.S @@ -50,7 +50,7 @@ SECTIONS _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; BSS_SECTION(0, 0, 0) diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S index f73e0d3ea09f..60449fd7f16f 100644 --- a/arch/openrisc/kernel/vmlinux.lds.S +++ b/arch/openrisc/kernel/vmlinux.lds.S @@ -74,7 +74,7 @@ SECTIONS /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ /* 32 here is cacheline size... recheck this */ - RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) + RW_DATA(32, PAGE_SIZE, PAGE_SIZE) _edata = .; diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index e1c563c7dca1..12b3d7d5e9e4 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -148,7 +148,7 @@ SECTIONS data_start = .; /* Data */ - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) /* PA-RISC locks requires 16-byte alignment */ . = ALIGN(16); diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 66dc17d24dd9..12f42f96d46e 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -57,7 +57,7 @@ SECTIONS *(.srodata*) } - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) .sdata : { __global_pointer$ = . + 0x800; *(.sdata*) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index b33c4823f8b5..37695499717d 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -67,7 +67,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; - RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) + RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED _edata = .; /* End of data section */ diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index fef39054cc70..c60b19958c35 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -51,7 +51,7 @@ SECTIONS _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; DWARF_EH_FRAME diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 8929fbc35a80..7ec79918b566 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -67,7 +67,7 @@ SECTIONS .data1 : { *(.data1) } - RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE) + RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE) /* End of data section */ _edata = .; diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 367c80313bec..6fb320b337ef 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S @@ -44,7 +44,7 @@ SECTIONS _sdata = .; RO_DATA(PAGE_SIZE) - RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; EXCEPTION_TABLE(L1_CACHE_BYTES) diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index b97e5798b9cf..bdbd7c4056c1 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -134,7 +134,7 @@ SECTIONS /* Data section */ _sdata = .; - RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) + RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) _edata = .; /* Initialization code and data: */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 061e57c609f6..356078e50a5c 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -24,7 +24,7 @@ * * _sdata = .; * RO_DATA(PAGE_SIZE) - * RW_DATA_SECTION(...) + * RW_DATA(...) * _edata = .; * * EXCEPTION_TABLE(...) @@ -975,7 +975,7 @@ * matches the requirement of PAGE_ALIGNED_DATA. * * use 0 as page_align if page_aligned data is not used */ -#define RW_DATA_SECTION(cacheline, pagealigned, inittask) \ +#define RW_DATA(cacheline, pagealigned, inittask) \ . = ALIGN(PAGE_SIZE); \ .data : AT(ADDR(.data) - LOAD_OFFSET) { \ INIT_TASK_DATA(inittask) \ -- 2.17.1