From 4341454912385a1d6fe1a2845d9a639c051bff44 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 13 Nov 2018 16:05:47 +0100
Subject: extra/sbcl: remove obsolete patch

---
 extra/sbcl/PKGBUILD           |   7 ---
 extra/sbcl/x86-linux-os.patch | 112 ------------------------------------------
 2 files changed, 119 deletions(-)
 delete mode 100644 extra/sbcl/PKGBUILD
 delete mode 100644 extra/sbcl/x86-linux-os.patch

diff --git a/extra/sbcl/PKGBUILD b/extra/sbcl/PKGBUILD
deleted file mode 100644
index 0034df83..00000000
--- a/extra/sbcl/PKGBUILD
+++ /dev/null
@@ -1,7 +0,0 @@
-source+=('x86-linux-os.patch')
-sha256sums+=('3ba738c461a8836171b424b5881ad5aaa63071f54bc5d207e72cae4c1be3738a')
-
-prepare() {
-  cd "${srcdir}/${pkgname}-${pkgver}"
-  patch -Np1 -i ../x86-linux-os.patch
-}
diff --git a/extra/sbcl/x86-linux-os.patch b/extra/sbcl/x86-linux-os.patch
deleted file mode 100644
index c1fd12b7..00000000
--- a/extra/sbcl/x86-linux-os.patch
+++ /dev/null
@@ -1,112 +0,0 @@
---- sbcl-1.4.10/src/runtime/x86-linux-os.c.orig	2018-09-07 03:07:10.927918139 +0000
-+++ sbcl-1.4.10/src/runtime/x86-linux-os.c	2018-09-07 03:05:10.471896471 +0000
-@@ -45,73 +45,43 @@
- #include <linux/version.h>
- #include "thread.h"             /* dynamic_values_bytes */
- 
--#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
--#define user_desc  modify_ldt_ldt_s
--#endif
--
--static inline int modify_ldt(int func, void *ptr, unsigned long bytecount)
-+static inline int set_thread_area(struct user_desc *u_info)
- {
--  return syscall(SYS_modify_ldt, func, ptr, bytecount);
-+    return syscall(SYS_set_thread_area, u_info);
- }
- 
- #include "validate.h"
- size_t os_vm_page_size;
- 
--u32 local_ldt_copy[LDT_ENTRIES*LDT_ENTRY_SIZE/sizeof(u32)];
--
--/* This is never actually called, but it's great for calling from gdb when
-- * users have thread-related problems that maintainers can't duplicate */
--
--void debug_get_ldt()
--{
--    int n=modify_ldt (0, local_ldt_copy, sizeof local_ldt_copy);
--    printf("%d bytes in ldt: print/x local_ldt_copy\n", n);
--}
--
--#ifdef LISP_FEATURE_SB_THREAD
--pthread_mutex_t modify_ldt_lock = PTHREAD_MUTEX_INITIALIZER;
--#endif
--
- int arch_os_thread_init(struct thread *thread) {
-     stack_t sigstack;
- #ifdef LISP_FEATURE_SB_THREAD
--    struct user_desc ldt_entry = {
--        1, 0, 0, /* index, address, length filled in later */
--        1, MODIFY_LDT_CONTENTS_DATA, 0, 0, 0, 1
-+    struct user_desc desc = {
-+        0, (unsigned long) thread, dynamic_values_bytes,
-+        1, 0, 0, 1, 0, 1
-     };
--    int n;
--    thread_mutex_lock(&modify_ldt_lock);
--    n=modify_ldt(0,local_ldt_copy,sizeof local_ldt_copy);
--    /* get next free ldt entry */
--
--    if(n) {
--        u32 *p;
--        for(n=0,p=local_ldt_copy;*p;p+=LDT_ENTRY_SIZE/sizeof(u32))
--            n++;
--    }
--    ldt_entry.entry_number=n;
--    ldt_entry.base_addr=(unsigned long) thread;
--    ldt_entry.limit=dynamic_values_bytes;
--    ldt_entry.limit_in_pages=0;
--    if (modify_ldt (1, &ldt_entry, sizeof (ldt_entry)) != 0) {
--        thread_mutex_unlock(&modify_ldt_lock);
--        /* modify_ldt call failed: something magical is not happening */
-+
-+    static int entry_number = -1;
-+
-+    desc.entry_number = entry_number;
-+
-+    if (set_thread_area(&desc) != 0) {
-         return 0;
-     }
-+
-+    entry_number = desc.entry_number;
-+
-     __asm__ __volatile__ ("movw %w0, %%fs" : : "q"
--                          ((n << 3) /* selector number */
--                           + (1 << 2) /* TI set = LDT */
--                           + 3)); /* privilege level */
--    thread->tls_cookie=n;
--    pthread_mutex_unlock(&modify_ldt_lock);
-+                          ((entry_number << 3) + 3));
- 
--    if(n<0) return 0;
-+    if(entry_number < 0) return 0;
- #ifdef LISP_FEATURE_GCC_TLS
-     current_thread = thread;
- #else
-     pthread_setspecific(specials,thread);
- #endif
- #endif
-+
- #ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
-     /* Signal handlers are run on the control stack, so if it is exhausted
-      * we had better use an alternate stack for whatever signal tells us
-@@ -136,17 +106,7 @@
-  */
- 
- int arch_os_thread_cleanup(struct thread *thread) {
--    struct user_desc ldt_entry = {
--        0, 0, 0,
--        0, MODIFY_LDT_CONTENTS_DATA, 0, 0, 0, 0
--    };
--    int result;
--
--    ldt_entry.entry_number=thread->tls_cookie;
--    thread_mutex_lock(&modify_ldt_lock);
--    result = modify_ldt(1, &ldt_entry, sizeof (ldt_entry));
--    thread_mutex_unlock(&modify_ldt_lock);
--    return result;
-+    return 1;
- }
- 
- 
-- 
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