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-rw-r--r--arch/arm/kernel/sleep.S4
-rw-r--r--arch/arm64/Kconfig1
-rw-r--r--arch/arm64/include/asm/lse.h1
-rw-r--r--arch/arm64/kvm/vgic/vgic-kvm-device.c12
-rw-r--r--arch/arm64/net/bpf_jit_comp.c6
-rw-r--r--arch/mips/include/asm/ptrace.h2
-rw-r--r--arch/mips/kernel/asm-offsets.c1
-rw-r--r--arch/mips/kernel/ptrace.c15
-rw-r--r--arch/mips/kernel/scall32-o32.S23
-rw-r--r--arch/mips/kernel/scall64-n32.S3
-rw-r--r--arch/mips/kernel/scall64-n64.S3
-rw-r--r--arch/mips/kernel/scall64-o32.S33
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c8
-rw-r--r--arch/powerpc/platforms/pseries/plpks.c62
-rw-r--r--arch/powerpc/platforms/pseries/plpks.h35
-rw-r--r--arch/s390/include/asm/dwarf.h1
-rw-r--r--arch/s390/kernel/vdso64/vdso_user_wrapper.S2
-rw-r--r--arch/s390/mm/gmap.c2
-rw-r--r--arch/s390/mm/hugetlbpage.c2
19 files changed, 118 insertions, 98 deletions
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index a86a1d4f3461..93afd1005b43 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -127,6 +127,10 @@ cpu_resume_after_mmu:
instr_sync
#endif
bl cpu_init @ restore the und/abt/irq banked regs
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
+ mov r0, sp
+ bl kasan_unpoison_task_stack_below
+#endif
mov r0, #0 @ return zero on success
ldmfd sp!, {r4 - r11, pc}
ENDPROC(cpu_resume_after_mmu)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index c15f71501c6c..044b98a62f7b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1752,7 +1752,6 @@ config ARM64_LSE_ATOMICS
config ARM64_USE_LSE_ATOMICS
bool "Atomic instructions"
- depends on JUMP_LABEL
default y
help
As part of the Large System Extensions, ARMv8.1 introduces new
diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h
index c503db8e73b0..f99d74826a7e 100644
--- a/arch/arm64/include/asm/lse.h
+++ b/arch/arm64/include/asm/lse.h
@@ -10,7 +10,6 @@
#include <linux/compiler_types.h>
#include <linux/export.h>
-#include <linux/jump_label.h>
#include <linux/stringify.h>
#include <asm/alternative.h>
#include <asm/alternative-macros.h>
diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c
index bf4b3d9631ce..63731fb3d8f6 100644
--- a/arch/arm64/kvm/vgic/vgic-kvm-device.c
+++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c
@@ -337,16 +337,12 @@ int kvm_register_vgic_device(unsigned long type)
int vgic_v2_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr,
struct vgic_reg_attr *reg_attr)
{
- int cpuid;
+ int cpuid = FIELD_GET(KVM_DEV_ARM_VGIC_CPUID_MASK, attr->attr);
- cpuid = (attr->attr & KVM_DEV_ARM_VGIC_CPUID_MASK) >>
- KVM_DEV_ARM_VGIC_CPUID_SHIFT;
-
- if (cpuid >= atomic_read(&dev->kvm->online_vcpus))
- return -EINVAL;
-
- reg_attr->vcpu = kvm_get_vcpu(dev->kvm, cpuid);
reg_attr->addr = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK;
+ reg_attr->vcpu = kvm_get_vcpu_by_id(dev->kvm, cpuid);
+ if (!reg_attr->vcpu)
+ return -EINVAL;
return 0;
}
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 0ce5f13eabb1..afb79209d413 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -1679,15 +1679,15 @@ static void invoke_bpf_prog(struct jit_ctx *ctx, struct bpf_tramp_link *l,
emit_call(enter_prog, ctx);
+ /* save return value to callee saved register x20 */
+ emit(A64_MOV(1, A64_R(20), A64_R(0)), ctx);
+
/* if (__bpf_prog_enter(prog) == 0)
* goto skip_exec_of_prog;
*/
branch = ctx->image + ctx->idx;
emit(A64_NOP, ctx);
- /* save return value to callee saved register x20 */
- emit(A64_MOV(1, A64_R(20), A64_R(0)), ctx);
-
emit(A64_ADD_I(1, A64_R(0), A64_SP, args_off), ctx);
if (!p->jited)
emit_addr_mov_i64(A64_R(1), (const u64)p->insnsi, ctx);
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index b3e4dd6be7e2..428b9f1cf1de 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -157,7 +157,7 @@ static inline long regs_return_value(struct pt_regs *regs)
#define instruction_pointer(regs) ((regs)->cp0_epc)
#define profile_pc(regs) instruction_pointer(regs)
-extern asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall);
+extern asmlinkage long syscall_trace_enter(struct pt_regs *regs);
extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
extern void die(const char *, struct pt_regs *) __noreturn;
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index c4501897b870..08342b9eccdb 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -98,6 +98,7 @@ void output_thread_info_defines(void)
OFFSET(TI_CPU, thread_info, cpu);
OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
OFFSET(TI_REGS, thread_info, regs);
+ OFFSET(TI_SYSCALL, thread_info, syscall);
DEFINE(_THREAD_SIZE, THREAD_SIZE);
DEFINE(_THREAD_MASK, THREAD_MASK);
DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE);
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 567aec4abac0..a8e569830ec8 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -1309,16 +1309,13 @@ long arch_ptrace(struct task_struct *child, long request,
* Notification of system call entry/exit
* - triggered by current->work.syscall_trace
*/
-asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
+asmlinkage long syscall_trace_enter(struct pt_regs *regs)
{
user_exit();
- current_thread_info()->syscall = syscall;
-
if (test_thread_flag(TIF_SYSCALL_TRACE)) {
if (ptrace_report_syscall_entry(regs))
return -1;
- syscall = current_thread_info()->syscall;
}
#ifdef CONFIG_SECCOMP
@@ -1327,7 +1324,7 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
struct seccomp_data sd;
unsigned long args[6];
- sd.nr = syscall;
+ sd.nr = current_thread_info()->syscall;
sd.arch = syscall_get_arch(current);
syscall_get_arguments(current, regs, args);
for (i = 0; i < 6; i++)
@@ -1337,23 +1334,23 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
ret = __secure_computing(&sd);
if (ret == -1)
return ret;
- syscall = current_thread_info()->syscall;
}
#endif
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[2]);
- audit_syscall_entry(syscall, regs->regs[4], regs->regs[5],
+ audit_syscall_entry(current_thread_info()->syscall,
+ regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
/*
* Negative syscall numbers are mistaken for rejected syscalls, but
* won't have had the return value set appropriately, so we do so now.
*/
- if (syscall < 0)
+ if (current_thread_info()->syscall < 0)
syscall_set_return_value(current, regs, -ENOSYS, 0);
- return syscall;
+ return current_thread_info()->syscall;
}
/*
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 18dc9b345056..2c604717e630 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -77,6 +77,18 @@ loads_done:
PTR_WD load_a7, bad_stack_a7
.previous
+ /*
+ * syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ */
+ subu t2, v0, __NR_O32_Linux
+ bnez t2, 1f /* __NR_syscall at offset 0 */
+ LONG_S a0, TI_SYSCALL($28) # Save a0 as syscall number
+ b 2f
+1:
+ LONG_S v0, TI_SYSCALL($28) # Save v0 as syscall number
+2:
+
lw t0, TI_FLAGS($28) # syscall tracing enabled?
li t1, _TIF_WORK_SYSCALL_ENTRY
and t0, t1
@@ -114,16 +126,7 @@ syscall_trace_entry:
SAVE_STATIC
move a0, sp
- /*
- * syscall number is in v0 unless we called syscall(__NR_###)
- * where the real syscall number is in a0
- */
- move a1, v0
- subu t2, v0, __NR_O32_Linux
- bnez t2, 1f /* __NR_syscall at offset 0 */
- lw a1, PT_R4(sp)
-
-1: jal syscall_trace_enter
+ jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 97456b2ca7dc..97788859238c 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -44,6 +44,8 @@ NESTED(handle_sysn32, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting
+ LONG_S v0, TI_SYSCALL($28) # Store syscall number
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -72,7 +74,6 @@ syscall_common:
n32_syscall_trace_entry:
SAVE_STATIC
move a0, sp
- move a1, v0
jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-n64.S b/arch/mips/kernel/scall64-n64.S
index e6264aa62e45..be11ea5cc67e 100644
--- a/arch/mips/kernel/scall64-n64.S
+++ b/arch/mips/kernel/scall64-n64.S
@@ -46,6 +46,8 @@ NESTED(handle_sys64, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting
+ LONG_S v0, TI_SYSCALL($28) # Store syscall number
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -82,7 +84,6 @@ n64_syscall_exit:
syscall_trace_entry:
SAVE_STATIC
move a0, sp
- move a1, v0
jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index d3c2616cba22..7a5abb73e531 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -79,6 +79,22 @@ loads_done:
PTR_WD load_a7, bad_stack_a7
.previous
+ /*
+ * absolute syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ * note: NR_syscall is the first O32 syscall but the macro is
+ * only defined when compiling with -mabi=32 (CONFIG_32BIT)
+ * therefore __NR_O32_Linux is used (4000)
+ */
+
+ subu t2, v0, __NR_O32_Linux
+ bnez t2, 1f /* __NR_syscall at offset 0 */
+ LONG_S a0, TI_SYSCALL($28) # Save a0 as syscall number
+ b 2f
+1:
+ LONG_S v0, TI_SYSCALL($28) # Save v0 as syscall number
+2:
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -113,22 +129,7 @@ trace_a_syscall:
sd a7, PT_R11(sp) # For indirect syscalls
move a0, sp
- /*
- * absolute syscall number is in v0 unless we called syscall(__NR_###)
- * where the real syscall number is in a0
- * note: NR_syscall is the first O32 syscall but the macro is
- * only defined when compiling with -mabi=32 (CONFIG_32BIT)
- * therefore __NR_O32_Linux is used (4000)
- */
- .set push
- .set reorder
- subu t1, v0, __NR_O32_Linux
- move a1, v0
- bnez t1, 1f /* __NR_syscall at offset 0 */
- ld a1, PT_R4(sp) /* Arg1 for __NR_syscall case */
- .set pop
-
-1: jal syscall_trace_enter
+ jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 1e5f083cdb72..5e00a3cde93b 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -781,8 +781,16 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus)
* parent bus. During reboot, there will be ibm,dma-window property to
* define DMA window. For kdump, there will at least be default window or DDW
* or both.
+ * There is an exception to the above. In case the PE goes into frozen
+ * state, firmware may not provide ibm,dma-window property at the time
+ * of LPAR boot up.
*/
+ if (!pdn) {
+ pr_debug(" no ibm,dma-window property !\n");
+ return;
+ }
+
ppci = PCI_DN(pdn);
pr_debug(" parent is %pOF, iommu_table: 0x%p\n",
diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c
index 63a1e1fe0185..25f95440a773 100644
--- a/arch/powerpc/platforms/pseries/plpks.c
+++ b/arch/powerpc/platforms/pseries/plpks.c
@@ -21,19 +21,6 @@
#include "plpks.h"
-#define PKS_FW_OWNER 0x1
-#define PKS_BOOTLOADER_OWNER 0x2
-#define PKS_OS_OWNER 0x3
-
-#define LABEL_VERSION 0
-#define MAX_LABEL_ATTR_SIZE 16
-#define MAX_NAME_SIZE 239
-#define MAX_DATA_SIZE 4000
-
-#define PKS_FLUSH_MAX_TIMEOUT 5000 //msec
-#define PKS_FLUSH_SLEEP 10 //msec
-#define PKS_FLUSH_SLEEP_RANGE 400
-
static u8 *ospassword;
static u16 ospasswordlength;
@@ -60,7 +47,7 @@ struct label_attr {
struct label {
struct label_attr attr;
- u8 name[MAX_NAME_SIZE];
+ u8 name[PLPKS_MAX_NAME_SIZE];
size_t size;
};
@@ -123,7 +110,7 @@ static int pseries_status_to_err(int rc)
static int plpks_gen_password(void)
{
unsigned long retbuf[PLPAR_HCALL_BUFSIZE] = { 0 };
- u8 *password, consumer = PKS_OS_OWNER;
+ u8 *password, consumer = PLPKS_OS_OWNER;
int rc;
password = kzalloc(maxpwsize, GFP_KERNEL);
@@ -159,22 +146,18 @@ static struct plpks_auth *construct_auth(u8 consumer)
{
struct plpks_auth *auth;
- if (consumer > PKS_OS_OWNER)
+ if (consumer > PLPKS_OS_OWNER)
return ERR_PTR(-EINVAL);
- auth = kmalloc(struct_size(auth, password, maxpwsize), GFP_KERNEL);
+ auth = kzalloc(struct_size(auth, password, maxpwsize), GFP_KERNEL);
if (!auth)
return ERR_PTR(-ENOMEM);
auth->version = 1;
auth->consumer = consumer;
- auth->rsvd0 = 0;
- auth->rsvd1 = 0;
- if (consumer == PKS_FW_OWNER || consumer == PKS_BOOTLOADER_OWNER) {
- auth->passwordlength = 0;
+ if (consumer == PLPKS_FW_OWNER || consumer == PLPKS_BOOTLOADER_OWNER)
return auth;
- }
memcpy(auth->password, ospassword, ospasswordlength);
@@ -193,7 +176,7 @@ static struct label *construct_label(char *component, u8 varos, u8 *name,
struct label *label;
size_t slen;
- if (!name || namelen > MAX_NAME_SIZE)
+ if (!name || namelen > PLPKS_MAX_NAME_SIZE)
return ERR_PTR(-EINVAL);
slen = strlen(component);
@@ -207,9 +190,9 @@ static struct label *construct_label(char *component, u8 varos, u8 *name,
if (component)
memcpy(&label->attr.prefix, component, slen);
- label->attr.version = LABEL_VERSION;
+ label->attr.version = PLPKS_LABEL_VERSION;
label->attr.os = varos;
- label->attr.length = MAX_LABEL_ATTR_SIZE;
+ label->attr.length = PLPKS_MAX_LABEL_ATTR_SIZE;
memcpy(&label->name, name, namelen);
label->size = sizeof(struct label_attr) + namelen;
@@ -271,10 +254,9 @@ static int plpks_confirm_object_flushed(struct label *label,
if (!rc && status == 1)
break;
- usleep_range(PKS_FLUSH_SLEEP,
- PKS_FLUSH_SLEEP + PKS_FLUSH_SLEEP_RANGE);
- timeout = timeout + PKS_FLUSH_SLEEP;
- } while (timeout < PKS_FLUSH_MAX_TIMEOUT);
+ fsleep(PLPKS_FLUSH_SLEEP);
+ timeout = timeout + PLPKS_FLUSH_SLEEP;
+ } while (timeout < PLPKS_MAX_TIMEOUT);
rc = pseries_status_to_err(rc);
@@ -289,13 +271,13 @@ int plpks_write_var(struct plpks_var var)
int rc;
if (!var.component || !var.data || var.datalen <= 0 ||
- var.namelen > MAX_NAME_SIZE || var.datalen > MAX_DATA_SIZE)
+ var.namelen > PLPKS_MAX_NAME_SIZE || var.datalen > PLPKS_MAX_DATA_SIZE)
return -EINVAL;
- if (var.policy & SIGNEDUPDATE)
+ if (var.policy & PLPKS_SIGNEDUPDATE)
return -EINVAL;
- auth = construct_auth(PKS_OS_OWNER);
+ auth = construct_auth(PLPKS_OS_OWNER);
if (IS_ERR(auth))
return PTR_ERR(auth);
@@ -331,10 +313,10 @@ int plpks_remove_var(char *component, u8 varos, struct plpks_var_name vname)
struct label *label;
int rc;
- if (!component || vname.namelen > MAX_NAME_SIZE)
+ if (!component || vname.namelen > PLPKS_MAX_NAME_SIZE)
return -EINVAL;
- auth = construct_auth(PKS_OS_OWNER);
+ auth = construct_auth(PLPKS_OS_OWNER);
if (IS_ERR(auth))
return PTR_ERR(auth);
@@ -370,14 +352,14 @@ static int plpks_read_var(u8 consumer, struct plpks_var *var)
u8 *output;
int rc;
- if (var->namelen > MAX_NAME_SIZE)
+ if (var->namelen > PLPKS_MAX_NAME_SIZE)
return -EINVAL;
auth = construct_auth(consumer);
if (IS_ERR(auth))
return PTR_ERR(auth);
- if (consumer == PKS_OS_OWNER) {
+ if (consumer == PLPKS_OS_OWNER) {
label = construct_label(var->component, var->os, var->name,
var->namelen);
if (IS_ERR(label)) {
@@ -392,7 +374,7 @@ static int plpks_read_var(u8 consumer, struct plpks_var *var)
goto out_free_label;
}
- if (consumer == PKS_OS_OWNER)
+ if (consumer == PLPKS_OS_OWNER)
rc = plpar_hcall(H_PKS_READ_OBJECT, retbuf, virt_to_phys(auth),
virt_to_phys(label), label->size, virt_to_phys(output),
maxobjsize);
@@ -434,17 +416,17 @@ out_free_auth:
int plpks_read_os_var(struct plpks_var *var)
{
- return plpks_read_var(PKS_OS_OWNER, var);
+ return plpks_read_var(PLPKS_OS_OWNER, var);
}
int plpks_read_fw_var(struct plpks_var *var)
{
- return plpks_read_var(PKS_FW_OWNER, var);
+ return plpks_read_var(PLPKS_FW_OWNER, var);
}
int plpks_read_bootloader_var(struct plpks_var *var)
{
- return plpks_read_var(PKS_BOOTLOADER_OWNER, var);
+ return plpks_read_var(PLPKS_BOOTLOADER_OWNER, var);
}
static __init int pseries_plpks_init(void)
diff --git a/arch/powerpc/platforms/pseries/plpks.h b/arch/powerpc/platforms/pseries/plpks.h
index 275ccd86bfb5..07278a990c2d 100644
--- a/arch/powerpc/platforms/pseries/plpks.h
+++ b/arch/powerpc/platforms/pseries/plpks.h
@@ -12,14 +12,39 @@
#include <linux/types.h>
#include <linux/list.h>
-#define OSSECBOOTAUDIT 0x40000000
-#define OSSECBOOTENFORCE 0x20000000
-#define WORLDREADABLE 0x08000000
-#define SIGNEDUPDATE 0x01000000
+// Object policy flags from supported_policies
+#define PLPKS_OSSECBOOTAUDIT PPC_BIT32(1) // OS secure boot must be audit/enforce
+#define PLPKS_OSSECBOOTENFORCE PPC_BIT32(2) // OS secure boot must be enforce
+#define PLPKS_PWSET PPC_BIT32(3) // No access without password set
+#define PLPKS_WORLDREADABLE PPC_BIT32(4) // Readable without authentication
+#define PLPKS_IMMUTABLE PPC_BIT32(5) // Once written, object cannot be removed
+#define PLPKS_TRANSIENT PPC_BIT32(6) // Object does not persist through reboot
+#define PLPKS_SIGNEDUPDATE PPC_BIT32(7) // Object can only be modified by signed updates
+#define PLPKS_HVPROVISIONED PPC_BIT32(28) // Hypervisor has provisioned this object
-#define PLPKS_VAR_LINUX 0x02
+// Signature algorithm flags from signed_update_algorithms
+#define PLPKS_ALG_RSA2048 PPC_BIT(0)
+#define PLPKS_ALG_RSA4096 PPC_BIT(1)
+
+// Object label OS metadata flags
+#define PLPKS_VAR_LINUX 0x02
#define PLPKS_VAR_COMMON 0x04
+// Flags for which consumer owns an object is owned by
+#define PLPKS_FW_OWNER 0x1
+#define PLPKS_BOOTLOADER_OWNER 0x2
+#define PLPKS_OS_OWNER 0x3
+
+// Flags for label metadata fields
+#define PLPKS_LABEL_VERSION 0
+#define PLPKS_MAX_LABEL_ATTR_SIZE 16
+#define PLPKS_MAX_NAME_SIZE 239
+#define PLPKS_MAX_DATA_SIZE 4000
+
+// Timeouts for PLPKS operations
+#define PLPKS_MAX_TIMEOUT (5 * USEC_PER_SEC)
+#define PLPKS_FLUSH_SLEEP 10000 // usec
+
struct plpks_var {
char *component;
u8 *name;
diff --git a/arch/s390/include/asm/dwarf.h b/arch/s390/include/asm/dwarf.h
index 4f21ae561e4d..390906b8e386 100644
--- a/arch/s390/include/asm/dwarf.h
+++ b/arch/s390/include/asm/dwarf.h
@@ -9,6 +9,7 @@
#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
#define CFI_RESTORE .cfi_restore
+#define CFI_REL_OFFSET .cfi_rel_offset
#ifdef CONFIG_AS_CFI_VAL_OFFSET
#define CFI_VAL_OFFSET .cfi_val_offset
diff --git a/arch/s390/kernel/vdso64/vdso_user_wrapper.S b/arch/s390/kernel/vdso64/vdso_user_wrapper.S
index 97f0c0a669a5..0625381359df 100644
--- a/arch/s390/kernel/vdso64/vdso_user_wrapper.S
+++ b/arch/s390/kernel/vdso64/vdso_user_wrapper.S
@@ -23,8 +23,10 @@ __kernel_\func:
CFI_DEF_CFA_OFFSET (STACK_FRAME_OVERHEAD + WRAPPER_FRAME_SIZE)
CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD
stg %r14,STACK_FRAME_OVERHEAD(%r15)
+ CFI_REL_OFFSET 14, STACK_FRAME_OVERHEAD
brasl %r14,__s390_vdso_\func
lg %r14,STACK_FRAME_OVERHEAD(%r15)
+ CFI_RESTORE 14
aghi %r15,WRAPPER_FRAME_SIZE
CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD
CFI_RESTORE 15
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 662cf23a1b44..59657e0363e7 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -2642,7 +2642,7 @@ static int __s390_enable_skey_hugetlb(pte_t *pte, unsigned long addr,
return 0;
start = pmd_val(*pmd) & HPAGE_MASK;
- end = start + HPAGE_SIZE - 1;
+ end = start + HPAGE_SIZE;
__storage_key_init_range(start, end);
set_bit(PG_arch_1, &page->flags);
cond_resched();
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index c299a18273ff..33ef6790114a 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -139,7 +139,7 @@ static void clear_huge_pte_skeys(struct mm_struct *mm, unsigned long rste)
}
if (!test_and_set_bit(PG_arch_1, &page->flags))
- __storage_key_init_range(paddr, paddr + size - 1);
+ __storage_key_init_range(paddr, paddr + size);
}
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-12 04:31:01 +0000