diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0016-kaiser-cleanups-while-trying-for-gold-link.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0016-kaiser-cleanups-while-trying-for-gold-link.patch | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0016-kaiser-cleanups-while-trying-for-gold-link.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0016-kaiser-cleanups-while-trying-for-gold-link.patch deleted file mode 100644 index d42f36bb..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0016-kaiser-cleanups-while-trying-for-gold-link.patch +++ /dev/null @@ -1,141 +0,0 @@ -From a63051533f5b1a7dd6ff897afebf2f4034f38e83 Mon Sep 17 00:00:00 2001 -From: Hugh Dickins <hughd@google.com> -Date: Mon, 21 Aug 2017 20:11:43 -0700 -Subject: [PATCH 016/103] kaiser: cleanups while trying for gold link - -While trying to get our gold link to work, four cleanups: -matched the gdt_page declaration to its definition; -in fiddling unsuccessfully with PERCPU_INPUT(), lined up backslashes; -lined up the backslashes according to convention in percpu-defs.h; -deleted the unused irq_stack_pointer addition to irq_stack_union. - -Sad to report that aligning backslashes does not appear to help gold -align to 8192: but while these did not help, they are worth keeping. - -Signed-off-by: Hugh Dickins <hughd@google.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/include/asm/desc.h | 2 +- - arch/x86/include/asm/processor.h | 5 ----- - include/asm-generic/vmlinux.lds.h | 18 ++++++++---------- - include/linux/percpu-defs.h | 22 +++++++++++----------- - 4 files changed, 20 insertions(+), 27 deletions(-) - -diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h -index 12080d8..2ed5a2b 100644 ---- a/arch/x86/include/asm/desc.h -+++ b/arch/x86/include/asm/desc.h -@@ -43,7 +43,7 @@ struct gdt_page { - struct desc_struct gdt[GDT_ENTRIES]; - } __attribute__((aligned(PAGE_SIZE))); - --DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); -+DECLARE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(struct gdt_page, gdt_page); - - static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) - { -diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h -index 3d4784e2..8cb52ee 100644 ---- a/arch/x86/include/asm/processor.h -+++ b/arch/x86/include/asm/processor.h -@@ -335,11 +335,6 @@ union irq_stack_union { - char gs_base[40]; - unsigned long stack_canary; - }; -- -- struct { -- char irq_stack_pointer[64]; -- char unused[IRQ_STACK_SIZE - 64]; -- }; - }; - - DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union) __visible; -diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h -index 0b16b5d..174f5c8 100644 ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -764,16 +764,14 @@ - */ - #define PERCPU_INPUT(cacheline) \ - VMLINUX_SYMBOL(__per_cpu_start) = .; \ -- \ -- VMLINUX_SYMBOL(__per_cpu_user_mapped_start) = .; \ -- *(.data..percpu..first) \ -- . = ALIGN(cacheline); \ -- *(.data..percpu..user_mapped) \ -- *(.data..percpu..user_mapped..shared_aligned) \ -- . = ALIGN(PAGE_SIZE); \ -- *(.data..percpu..user_mapped..page_aligned) \ -- VMLINUX_SYMBOL(__per_cpu_user_mapped_end) = .; \ -- \ -+ VMLINUX_SYMBOL(__per_cpu_user_mapped_start) = .; \ -+ *(.data..percpu..first) \ -+ . = ALIGN(cacheline); \ -+ *(.data..percpu..user_mapped) \ -+ *(.data..percpu..user_mapped..shared_aligned) \ -+ . = ALIGN(PAGE_SIZE); \ -+ *(.data..percpu..user_mapped..page_aligned) \ -+ VMLINUX_SYMBOL(__per_cpu_user_mapped_end) = .; \ - . = ALIGN(PAGE_SIZE); \ - *(.data..percpu..page_aligned) \ - . = ALIGN(cacheline); \ -diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h -index 8ea945f..cfe13cb 100644 ---- a/include/linux/percpu-defs.h -+++ b/include/linux/percpu-defs.h -@@ -121,10 +121,10 @@ - #define DEFINE_PER_CPU(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, "") - --#define DECLARE_PER_CPU_USER_MAPPED(type, name) \ -+#define DECLARE_PER_CPU_USER_MAPPED(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION) - --#define DEFINE_PER_CPU_USER_MAPPED(type, name) \ -+#define DEFINE_PER_CPU_USER_MAPPED(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION) - - /* -@@ -156,11 +156,11 @@ - DEFINE_PER_CPU_SECTION(type, name, PER_CPU_SHARED_ALIGNED_SECTION) \ - ____cacheline_aligned_in_smp - --#define DECLARE_PER_CPU_SHARED_ALIGNED_USER_MAPPED(type, name) \ -+#define DECLARE_PER_CPU_SHARED_ALIGNED_USER_MAPPED(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION PER_CPU_SHARED_ALIGNED_SECTION) \ - ____cacheline_aligned_in_smp - --#define DEFINE_PER_CPU_SHARED_ALIGNED_USER_MAPPED(type, name) \ -+#define DEFINE_PER_CPU_SHARED_ALIGNED_USER_MAPPED(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION PER_CPU_SHARED_ALIGNED_SECTION) \ - ____cacheline_aligned_in_smp - -@@ -185,18 +185,18 @@ - /* - * Declaration/definition used for per-CPU variables that must be page aligned and need to be mapped in user mode. - */ --#define DECLARE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ -- DECLARE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ -- __aligned(PAGE_SIZE) -+#define DECLARE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ -+ DECLARE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ -+ __aligned(PAGE_SIZE) - --#define DEFINE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ -- DEFINE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ -- __aligned(PAGE_SIZE) -+#define DEFINE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ -+ DEFINE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ -+ __aligned(PAGE_SIZE) - - /* - * Declaration/definition used for per-CPU variables that must be read mostly. - */ --#define DECLARE_PER_CPU_READ_MOSTLY(type, name) \ -+#define DECLARE_PER_CPU_READ_MOSTLY(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, "..read_mostly") - - #define DEFINE_PER_CPU_READ_MOSTLY(type, name) \ --- -2.7.4 - |