12 files changed, 228 insertions, 76 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 19709a079635..43687cc60dfb 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -117,7 +117,10 @@ acpi_get_sysname(void)
         if (!strcmp(hdr->oem_id, "HP")) {
                 return "hpzx1";
         } else if (!strcmp(hdr->oem_id, "SGI")) {
-                return "sn2";
+                if (!strcmp(hdr->oem_table_id + 4, "UV"))
+                        return "uv";
+                else
+                        return "sn2";
         }
 
         return "dig";
@@ -130,6 +133,8 @@ acpi_get_sysname(void)
         return "hpzx1_swiotlb";
 # elif defined (CONFIG_IA64_SGI_SN2)
         return "sn2";
+# elif defined (CONFIG_IA64_SGI_UV)
+        return "uv";
 # elif defined (CONFIG_IA64_DIG)
         return "dig";
 # else
@@ -460,7 +465,6 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
                 printk(KERN_ERR
                        "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
                        len, slit->header.length);
-                memset(numa_slit, 10, sizeof(numa_slit));
                 return;
         }
         slit_table = slit;
@@ -569,8 +573,14 @@ void __init acpi_numa_arch_fixup(void)
         printk(KERN_INFO "Number of memory chunks in system = %d\n",
                num_node_memblks);
 
-        if (!slit_table)
+        if (!slit_table) {
+                for (i = 0; i < MAX_NUMNODES; i++)
+                        for (j = 0; j < MAX_NUMNODES; j++)
+                                node_distance(i, j) = i == j ? LOCAL_DISTANCE :
+                                                        REMOTE_DISTANCE;
                 return;
+        }
+
         memset(numa_slit, -1, sizeof(numa_slit));
         for (i = 0; i < slit_table->locality_count; i++) {
                 if (!pxm_bit_test(i))
@@ -622,6 +632,9 @@ void acpi_unregister_gsi(u32 gsi)
         if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
                 return;
 
+        if (has_8259 && gsi < 16)
+                return;
+
         iosapic_unregister_intr(gsi);
 }
 
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index e49ad8c5dc69..ca2bb95726de 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1156,6 +1156,9 @@ skip_rbs_switch:
          *      r31 = current->thread_info->flags
          * On exit:
          *      p6 = TRUE if work-pending-check needs to be redone
+         *
+         * Interrupts are disabled on entry, reenabled depend on work, and
+         * disabled on exit.
          */
 .work_pending_syscall:
         add r2=-8,r2
@@ -1164,16 +1167,16 @@ skip_rbs_switch:
         st8 [r2]=r8
         st8 [r3]=r10
 .work_pending:
-        tbit.z p6,p0=r31,TIF_NEED_RESCHED               // current_thread_info()->need_resched==0?
+        tbit.z p6,p0=r31,TIF_NEED_RESCHED       // is resched not needed?
 (p6)    br.cond.sptk.few .notify
 #ifdef CONFIG_PREEMPT
 (pKStk) dep r21=-1,r0,PREEMPT_ACTIVE_BIT,1
         ;;
 (pKStk) st4 [r20]=r21
-        ssm psr.i               // enable interrupts
 #endif
+        ssm psr.i               // enable interrupts
         br.call.spnt.many rp=schedule
-.ret9:  cmp.eq p6,p0=r0,r0                              // p6 <- 1
+.ret9:  cmp.eq p6,p0=r0,r0      // p6 <- 1 (re-check)
         rsm psr.i               // disable interrupts
         ;;
 #ifdef CONFIG_PREEMPT
@@ -1182,13 +1185,13 @@ skip_rbs_switch:
 (pKStk) st4 [r20]=r0            // preempt_count() <- 0
 #endif
 (pLvSys)br.cond.sptk.few  .work_pending_syscall_end
-        br.cond.sptk.many .work_processed_kernel        // re-check
+        br.cond.sptk.many .work_processed_kernel
 
 .notify:
 (pUStk) br.call.spnt.many rp=notify_resume_user
-.ret10: cmp.ne p6,p0=r0,r0                              // p6 <- 0
+.ret10: cmp.ne p6,p0=r0,r0      // p6 <- 0 (don't re-check)
 (pLvSys)br.cond.sptk.few  .work_pending_syscall_end
-        br.cond.sptk.many .work_processed_kernel        // don't re-check
+        br.cond.sptk.many .work_processed_kernel
 
 .work_pending_syscall_end:
         adds r2=PT(R8)+16,r12
@@ -1196,7 +1199,7 @@ skip_rbs_switch:
         ;;
         ld8 r8=[r2]
         ld8 r10=[r3]
-        br.cond.sptk.many .work_processed_syscall       // re-check
+        br.cond.sptk.many .work_processed_syscall
 
 END(ia64_leave_kernel)
 
@@ -1234,9 +1237,12 @@ GLOBAL_ENTRY(ia64_invoke_schedule_tail)
 END(ia64_invoke_schedule_tail)
 
         /*
-         * Setup stack and call do_notify_resume_user().  Note that pSys and pNonSys need to
-         * be set up by the caller.  We declare 8 input registers so the system call
-         * args get preserved, in case we need to restart a system call.
+         * Setup stack and call do_notify_resume_user(), keeping interrupts
+         * disabled.
+         *
+         * Note that pSys and pNonSys need to be set up by the caller.
+         * We declare 8 input registers so the system call args get preserved,
+         * in case we need to restart a system call.
          */
 ENTRY(notify_resume_user)
         .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8)
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index bc8efcad28b8..9d7e1c66faf4 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -18,7 +18,6 @@
 #include <asm/pgtable.h>
 
 static struct fs_struct init_fs = INIT_FS;
-static struct files_struct init_files = INIT_FILES;
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
 struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 6678c49daba3..80b44ea052d7 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -1076,48 +1076,6 @@ END(ia64_syscall_setup)
         DBG_FAULT(15)
         FAULT(15)
 
-        /*
-         * Squatting in this space ...
-         *
-         * This special case dispatcher for illegal operation faults allows preserved
-         * registers to be modified through a callback function (asm only) that is handed
-         * back from the fault handler in r8. Up to three arguments can be passed to the
-         * callback function by returning an aggregate with the callback as its first
-         * element, followed by the arguments.
-         */
-ENTRY(dispatch_illegal_op_fault)
-        .prologue
-        .body
-        SAVE_MIN_WITH_COVER
-        ssm psr.ic | PSR_DEFAULT_BITS
-        ;;
-        srlz.i          // guarantee that interruption collection is on
-        ;;
-(p15)   ssm psr.i       // restore psr.i
-        adds r3=8,r2    // set up second base pointer for SAVE_REST
-        ;;
-        alloc r14=ar.pfs,0,0,1,0        // must be first in insn group
-        mov out0=ar.ec
-        ;;
-        SAVE_REST
-        PT_REGS_UNWIND_INFO(0)
-        ;;
-        br.call.sptk.many rp=ia64_illegal_op_fault
-.ret0:  ;;
-        alloc r14=ar.pfs,0,0,3,0        // must be first in insn group
-        mov out0=r9
-        mov out1=r10
-        mov out2=r11
-        movl r15=ia64_leave_kernel
-        ;;
-        mov rp=r15
-        mov b6=r8
-        ;;
-        cmp.ne p6,p0=0,r8
-(p6)    br.call.dpnt.many b6=b6         // call returns to ia64_leave_kernel
-        br.sptk.many ia64_leave_kernel
-END(dispatch_illegal_op_fault)
-
         .org ia64_ivt+0x4000
 /////////////////////////////////////////////////////////////////////////////////////////
 // 0x4000 Entry 16 (size 64 bundles) Reserved
@@ -1715,6 +1673,48 @@ END(ia32_interrupt)
         DBG_FAULT(67)
         FAULT(67)
 
+        /*
+         * Squatting in this space ...
+         *
+         * This special case dispatcher for illegal operation faults allows preserved
+         * registers to be modified through a callback function (asm only) that is handed
+         * back from the fault handler in r8. Up to three arguments can be passed to the
+         * callback function by returning an aggregate with the callback as its first
+         * element, followed by the arguments.
+         */
+ENTRY(dispatch_illegal_op_fault)
+        .prologue
+        .body
+        SAVE_MIN_WITH_COVER
+        ssm psr.ic | PSR_DEFAULT_BITS
+        ;;
+        srlz.i          // guarantee that interruption collection is on
+        ;;
+(p15)   ssm psr.i       // restore psr.i
+        adds r3=8,r2    // set up second base pointer for SAVE_REST
+        ;;
+        alloc r14=ar.pfs,0,0,1,0        // must be first in insn group
+        mov out0=ar.ec
+        ;;
+        SAVE_REST
+        PT_REGS_UNWIND_INFO(0)
+        ;;
+        br.call.sptk.many rp=ia64_illegal_op_fault
+.ret0:  ;;
+        alloc r14=ar.pfs,0,0,3,0        // must be first in insn group
+        mov out0=r9
+        mov out1=r10
+        mov out2=r11
+        movl r15=ia64_leave_kernel
+        ;;
+        mov rp=r15
+        mov b6=r8
+        ;;
+        cmp.ne p6,p0=0,r8
+(p6)    br.call.dpnt.many b6=b6         // call returns to ia64_leave_kernel
+        br.sptk.many ia64_leave_kernel
+END(dispatch_illegal_op_fault)
+
 #ifdef CONFIG_IA32_SUPPORT
 
         /*
diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 7c548ac52bbc..74b6d670aaef 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -15,6 +15,9 @@
 #define ACCOUNT_SYS_ENTER
 #endif
 
+.section ".data.patch.rse", "a"
+.previous
+
 /*
  * DO_SAVE_MIN switches to the kernel stacks (if necessary) and saves
  * the minimum state necessary that allows us to turn psr.ic back
@@ -40,7 +43,7 @@
  * Note that psr.ic is NOT turned on by this macro.  This is so that
  * we can pass interruption state as arguments to a handler.
  */
-#define DO_SAVE_MIN(COVER,SAVE_IFS,EXTRA)                                                       \
+#define DO_SAVE_MIN(COVER,SAVE_IFS,EXTRA,WORKAROUND)                                            \
         mov r16=IA64_KR(CURRENT);       /* M */                                                 \
         mov r27=ar.rsc;                 /* M */                                                 \
         mov r20=r1;                     /* A */                                                 \
@@ -87,6 +90,7 @@
         tbit.nz p15,p0=r29,IA64_PSR_I_BIT;                                                      \
         mov r29=b0                                                                              \
         ;;                                                                                      \
+        WORKAROUND;                                                                             \
         adds r16=PT(R8),r1;     /* initialize first base pointer */                             \
         adds r17=PT(R9),r1;     /* initialize second base pointer */                            \
 (pKStk) mov r18=r0;             /* make sure r18 isn't NaT */                                   \
@@ -206,6 +210,40 @@
         st8 [r25]=r10;          /* ar.ssd */    \
         ;;
 
-#define SAVE_MIN_WITH_COVER     DO_SAVE_MIN(cover, mov r30=cr.ifs,)
-#define SAVE_MIN_WITH_COVER_R19 DO_SAVE_MIN(cover, mov r30=cr.ifs, mov r15=r19)
-#define SAVE_MIN                DO_SAVE_MIN(     , mov r30=r0, )
+#define RSE_WORKAROUND                          \
+(pUStk) extr.u r17=r18,3,6;                     \
+(pUStk) sub r16=r18,r22;                        \
+[1:](pKStk)     br.cond.sptk.many 1f;           \
+        .xdata4 ".data.patch.rse",1b-.          \
+        ;;                                      \
+        cmp.ge p6,p7 = 33,r17;                  \
+        ;;                                      \
+(p6)    mov r17=0x310;                          \
+(p7)    mov r17=0x308;                          \
+        ;;                                      \
+        cmp.leu p1,p0=r16,r17;                  \
+(p1)    br.cond.sptk.many 1f;                   \
+        dep.z r17=r26,0,62;                     \
+        movl r16=2f;                            \
+        ;;                                      \
+        mov ar.pfs=r17;                         \
+        dep r27=r0,r27,16,14;                   \
+        mov b0=r16;                             \
+        ;;                                      \
+        br.ret.sptk b0;                         \
+        ;;                                      \
+2:                                              \
+        mov ar.rsc=r0                           \
+        ;;                                      \
+        flushrs;                                \
+        ;;                                      \
+        mov ar.bspstore=r22                     \
+        ;;                                      \
+        mov r18=ar.bsp;                         \
+        ;;                                      \
+1:                                              \
+        .pred.rel "mutex", pKStk, pUStk
+
+#define SAVE_MIN_WITH_COVER     DO_SAVE_MIN(cover, mov r30=cr.ifs, , RSE_WORKAROUND)
+#define SAVE_MIN_WITH_COVER_R19 DO_SAVE_MIN(cover, mov r30=cr.ifs, mov r15=r19, RSE_WORKAROUND)
+#define SAVE_MIN                        DO_SAVE_MIN(     , mov r30=r0, , )
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 4547a2092af9..9dc00f7fe10e 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -900,12 +900,6 @@ static void
 palinfo_smp_call(void *info)
 {
         palinfo_smp_data_t *data = (palinfo_smp_data_t *)info;
-        if (data == NULL) {
-                printk(KERN_ERR "palinfo: data pointer is NULL\n");
-                data->ret = 0; /* no output */
-                return;
-        }
-        /* does this actual call */
         data->ret = (*data->func)(data->page);
 }
 
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index e0dca8743dbb..b83b2c516008 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -115,6 +115,29 @@ ia64_patch_vtop (unsigned long start, unsigned long end)
         ia64_srlz_i();
 }
 
+/*
+ * Disable the RSE workaround by turning the conditional branch
+ * that we tagged in each place the workaround was used into an
+ * unconditional branch.
+ */
+void __init
+ia64_patch_rse (unsigned long start, unsigned long end)
+{
+        s32 *offp = (s32 *) start;
+        u64 ip, *b;
+
+        while (offp < (s32 *) end) {
+                ip = (u64) offp + *offp;
+
+                b = (u64 *)(ip & -16);
+                b[1] &= ~0xf800000L;
+                ia64_fc((void *) ip);
+                ++offp;
+        }
+        ia64_sync_i();
+        ia64_srlz_i();
+}
+
 void __init
 ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
 {
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index c1ad27de2dd2..71d05133f556 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -5013,12 +5013,13 @@ pfm_context_force_terminate(pfm_context_t *ctx, struct pt_regs *regs)
 }
 
 static int pfm_ovfl_notify_user(pfm_context_t *ctx, unsigned long ovfl_pmds);
+
  /*
   * pfm_handle_work() can be called with interrupts enabled
   * (TIF_NEED_RESCHED) or disabled. The down_interruptible
   * call may sleep, therefore we must re-enable interrupts
   * to avoid deadlocks. It is safe to do so because this function
-  * is called ONLY when returning to user level (PUStk=1), in which case
+  * is called ONLY when returning to user level (pUStk=1), in which case
   * there is no risk of kernel stack overflow due to deep
   * interrupt nesting.
   */
@@ -5034,7 +5035,8 @@ pfm_handle_work(void)
 
         ctx = PFM_GET_CTX(current);
         if (ctx == NULL) {
-                printk(KERN_ERR "perfmon: [%d] has no PFM context\n", task_pid_nr(current));
+                printk(KERN_ERR "perfmon: [%d] has no PFM context\n",
+                        task_pid_nr(current));
                 return;
         }
 
@@ -5058,11 +5060,12 @@ pfm_handle_work(void)
         /*
          * must be done before we check for simple-reset mode
          */
-        if (ctx->ctx_fl_going_zombie || ctx->ctx_state == PFM_CTX_ZOMBIE) goto do_zombie;
-
+        if (ctx->ctx_fl_going_zombie || ctx->ctx_state == PFM_CTX_ZOMBIE)
+                goto do_zombie;
 
         //if (CTX_OVFL_NOBLOCK(ctx)) goto skip_blocking;
-        if (reason == PFM_TRAP_REASON_RESET) goto skip_blocking;
+        if (reason == PFM_TRAP_REASON_RESET)
+                goto skip_blocking;
 
         /*
          * restore interrupt mask to what it was on entry.
@@ -5110,7 +5113,8 @@ do_zombie:
         /*
          * in case of interruption of down() we don't restart anything
          */
-        if (ret < 0) goto nothing_to_do;
+        if (ret < 0)
+                goto nothing_to_do;
 
 skip_blocking:
         pfm_resume_after_ovfl(ctx, ovfl_regs, regs);
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 58dcfac5ea88..a3a34b4eb038 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -167,11 +167,18 @@ void tsk_clear_notify_resume(struct task_struct *tsk)
         clear_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME);
 }
 
+/*
+ * do_notify_resume_user():
+ *      Called from notify_resume_user at entry.S, with interrupts disabled.
+ */
 void
-do_notify_resume_user (sigset_t *unused, struct sigscratch *scr, long in_syscall)
+do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
 {
         if (fsys_mode(current, &scr->pt)) {
-                /* defer signal-handling etc. until we return to privilege-level 0.  */
+                /*
+                 * defer signal-handling etc. until we return to
+                 * privilege-level 0.
+                 */
                 if (!ia64_psr(&scr->pt)->lp)
                         ia64_psr(&scr->pt)->lp = 1;
                 return;
@@ -179,16 +186,26 @@ do_notify_resume_user (sigset_t *unused, struct sigscratch *scr, long in_syscall
 
 #ifdef CONFIG_PERFMON
         if (current->thread.pfm_needs_checking)
+                /*
+                 * Note: pfm_handle_work() allow us to call it with interrupts
+                 * disabled, and may enable interrupts within the function.
+                 */
                 pfm_handle_work();
 #endif
 
         /* deal with pending signal delivery */
-        if (test_thread_flag(TIF_SIGPENDING))
+        if (test_thread_flag(TIF_SIGPENDING)) {
+                local_irq_enable();     /* force interrupt enable */
                 ia64_do_signal(scr, in_syscall);
+        }
 
         /* copy user rbs to kernel rbs */
-        if (unlikely(test_thread_flag(TIF_RESTORE_RSE)))
+        if (unlikely(test_thread_flag(TIF_RESTORE_RSE))) {
+                local_irq_enable();     /* force interrupt enable */
                 ia64_sync_krbs();
+        }
+
+        local_irq_disable();    /* force interrupt disable */
 }
 
 static int pal_halt        = 1;
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index a3022dc48ef8..7e0259709c04 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -229,6 +229,14 @@ static void __init sal_desc_ap_wakeup(void *p) { }
  */
 static int sal_cache_flush_drops_interrupts;
 
+static int __init
+force_pal_cache_flush(char *str)
+{
+        sal_cache_flush_drops_interrupts = 1;
+        return 0;
+}
+early_param("force_pal_cache_flush", force_pal_cache_flush);
+
 void __init
 check_sal_cache_flush (void)
 {
@@ -237,6 +245,9 @@ check_sal_cache_flush (void)
         u64 vector, cache_type = 3;
         struct ia64_sal_retval isrv;
 
+        if (sal_cache_flush_drops_interrupts)
+                return;
+
         cpu = get_cpu();
         local_irq_save(flags);
 
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5015ca1275ca..f48a809c686d 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -239,6 +239,25 @@ __initcall(register_memory);
 
 
 #ifdef CONFIG_KEXEC
+
+/*
+ * This function checks if the reserved crashkernel is allowed on the specific
+ * IA64 machine flavour. Machines without an IO TLB use swiotlb and require
+ * some memory below 4 GB (i.e. in 32 bit area), see the implementation of
+ * lib/swiotlb.c. The hpzx1 architecture has an IO TLB but cannot use that
+ * in kdump case. See the comment in sba_init() in sba_iommu.c.
+ *
+ * So, the only machvec that really supports loading the kdump kernel
+ * over 4 GB is "sn2".
+ */
+static int __init check_crashkernel_memory(unsigned long pbase, size_t size)
+{
+        if (ia64_platform_is("sn2") || ia64_platform_is("uv"))
+                return 1;
+        else
+                return pbase < (1UL << 32);
+}
+
 static void __init setup_crashkernel(unsigned long total, int *n)
 {
         unsigned long long base = 0, size = 0;
@@ -252,6 +271,16 @@ static void __init setup_crashkernel(unsigned long total, int *n)
                         base = kdump_find_rsvd_region(size,
                                         rsvd_region, *n);
                 }
+
+                if (!check_crashkernel_memory(base, size)) {
+                        pr_warning("crashkernel: There would be kdump memory "
+                                "at %ld GB but this is unusable because it "
+                                "must\nbe below 4 GB. Change the memory "
+                                "configuration of the machine.\n",
+                                (unsigned long)(base >> 30));
+                        return;
+                }
+
                 if (base != ~0UL) {
                         printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
                                         "for crashkernel (System RAM: %ldMB)\n",
@@ -531,6 +560,17 @@ setup_arch (char **cmdline_p)
         /* process SAL system table: */
         ia64_sal_init(__va(efi.sal_systab));
 
+#ifdef CONFIG_ITANIUM
+        ia64_patch_rse((u64) __start___rse_patchlist, (u64) __end___rse_patchlist);
+#else
+        {
+                u64 num_phys_stacked;
+
+                if (ia64_pal_rse_info(&num_phys_stacked, 0) == 0 && num_phys_stacked > 96)
+                        ia64_patch_rse((u64) __start___rse_patchlist, (u64) __end___rse_patchlist);
+        }
+#endif
+
 #ifdef CONFIG_SMP
         cpu_physical_id(0) = hard_smp_processor_id();
 #endif
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 80622acc95de..5929ab10a289 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -156,6 +156,13 @@ SECTIONS
           __end___vtop_patchlist = .;
         }
 
+  .data.patch.rse : AT(ADDR(.data.patch.rse) - LOAD_OFFSET)
+        {
+          __start___rse_patchlist = .;
+          *(.data.patch.rse)
+          __end___rse_patchlist = .;
+        }
+
   .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
         {
           __start___mckinley_e9_bundles = .;