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authorLinus Torvalds <torvalds@linux-foundation.org>2019-04-06 10:59:30 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2019-04-06 10:59:30 -1000
commit373c392508577b24e293ff4994e919087fed2495 (patch)
tree95f9bb88cb2395bbef41f2c1454055bb3247dd3c
parent10dce8af34226d90fa56746a934f8da5dcdba3df (diff)
parentd006e95b5561f708d0385e9677ffe2c46f2ae345 (diff)
downloadlinux-373c392508577b24e293ff4994e919087fed2495.tar.bz2
Merge branch 'parisc-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller: "A 32-bit boot regression fix introduced in the merge window, a QEMU detection fix and two fixes by Sven regarding ptrace & kprobes" * 'parisc-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Detect QEMU earlier in boot process parisc: also set iaoq_b in instruction_pointer_set() parisc: regs_return_value() should return gpr28 Revert: parisc: Use F_EXTEND() macro in iosapic code
-rw-r--r--arch/parisc/include/asm/ptrace.h5
-rw-r--r--arch/parisc/kernel/process.c6
-rw-r--r--arch/parisc/kernel/setup.c3
-rw-r--r--drivers/parisc/iosapic.c6
4 files changed, 11 insertions, 9 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index 2a27b275ab09..9ff033d261ab 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -22,13 +22,14 @@ unsigned long profile_pc(struct pt_regs *);
static inline unsigned long regs_return_value(struct pt_regs *regs)
{
- return regs->gr[20];
+ return regs->gr[28];
}
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
- regs->iaoq[0] = val;
+ regs->iaoq[0] = val;
+ regs->iaoq[1] = val + 4;
}
/* Query offset/name of register from its name/offset */
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index eb39e7e380d7..841db71958cd 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -210,12 +210,6 @@ void __cpuidle arch_cpu_idle(void)
static int __init parisc_idle_init(void)
{
- const char *marker;
-
- /* check QEMU/SeaBIOS marker in PAGE0 */
- marker = (char *) &PAGE0->pad0;
- running_on_qemu = (memcmp(marker, "SeaBIOS", 8) == 0);
-
if (!running_on_qemu)
cpu_idle_poll_ctrl(1);
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 15dd9e21be7e..d908058d05c1 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -397,6 +397,9 @@ void __init start_parisc(void)
int ret, cpunum;
struct pdc_coproc_cfg coproc_cfg;
+ /* check QEMU/SeaBIOS marker in PAGE0 */
+ running_on_qemu = (memcmp(&PAGE0->pad0, "SeaBIOS", 8) == 0);
+
cpunum = smp_processor_id();
init_cpu_topology();
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 1be571c20062..6bad04cbb1d3 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -157,8 +157,12 @@
#define DBG_IRT(x...)
#endif
+#ifdef CONFIG_64BIT
+#define COMPARE_IRTE_ADDR(irte, hpa) ((irte)->dest_iosapic_addr == (hpa))
+#else
#define COMPARE_IRTE_ADDR(irte, hpa) \
- ((irte)->dest_iosapic_addr == F_EXTEND(hpa))
+ ((irte)->dest_iosapic_addr == ((hpa) | 0xffffffff00000000ULL))
+#endif
#define IOSAPIC_REG_SELECT 0x00
#define IOSAPIC_REG_WINDOW 0x10