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-rw-r--r--arch/parisc/Kconfig4
-rw-r--r--arch/parisc/configs/712_defconfig1
-rw-r--r--arch/parisc/configs/a500_defconfig1
-rw-r--r--arch/parisc/configs/b180_defconfig1
-rw-r--r--arch/parisc/configs/c3000_defconfig1
-rw-r--r--arch/parisc/configs/c8000_defconfig1
-rw-r--r--arch/parisc/configs/default_defconfig1
-rw-r--r--arch/parisc/configs/generic-32bit_defconfig1
-rw-r--r--arch/parisc/include/asm/special_insns.h24
-rw-r--r--arch/parisc/kernel/alternative.c3
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S21
-rw-r--r--arch/parisc/math-emu/cnv_float.h8
-rw-r--r--drivers/parisc/ccio-dma.c6
-rw-r--r--drivers/parisc/sba_iommu.c5
14 files changed, 50 insertions, 28 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 09407ed1aacd..4860efa91d7b 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -36,7 +36,6 @@ config PARISC
select GENERIC_STRNCPY_FROM_USER
select SYSCTL_ARCH_UNALIGN_ALLOW
select SYSCTL_EXCEPTION_TRACE
- select ARCH_DISCARD_MEMBLOCK
select HAVE_MOD_ARCH_SPECIFIC
select VIRT_TO_BUS
select MODULES_USE_ELF_RELA
@@ -195,7 +194,8 @@ config PREFETCH
config MLONGCALLS
bool "Enable the -mlong-calls compiler option for big kernels"
- default y
+ default y if !MODULES || UBSAN || FTRACE
+ default n
depends on PA8X00
help
If you configure the kernel to include many drivers built-in instead
diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig
index ccc109761f44..d3e3d94e90c3 100644
--- a/arch/parisc/configs/712_defconfig
+++ b/arch/parisc/configs/712_defconfig
@@ -34,7 +34,6 @@ CONFIG_INET_DIAG=m
CONFIG_NETFILTER=y
CONFIG_LLC2=m
CONFIG_NET_PKTGEN=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index 5acb93dcaabf..a8859496b0b9 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -70,7 +70,6 @@ CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_LLC2=m
CONFIG_NET_PKTGEN=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig
index 83ffd161aec5..0cae9664bf67 100644
--- a/arch/parisc/configs/b180_defconfig
+++ b/arch/parisc/configs/b180_defconfig
@@ -24,7 +24,6 @@ CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_BOOTP=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index 8d41a73bd71b..6c29b841735c 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -32,7 +32,6 @@ CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
CONFIG_NETFILTER=y
CONFIG_NET_PKTGEN=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig
index 900b00084953..507f0644fcf8 100644
--- a/arch/parisc/configs/c8000_defconfig
+++ b/arch/parisc/configs/c8000_defconfig
@@ -57,7 +57,6 @@ CONFIG_IP_DCCP=m
CONFIG_TIPC=m
CONFIG_LLC2=m
CONFIG_DNS_RESOLVER=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig
index 52c9050a7c5c..6a91cc2623e8 100644
--- a/arch/parisc/configs/default_defconfig
+++ b/arch/parisc/configs/default_defconfig
@@ -44,7 +44,6 @@ CONFIG_INET6_AH=y
CONFIG_INET6_ESP=y
CONFIG_INET6_IPCOMP=y
CONFIG_LLC2=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig
index a8f9bbef0975..18b072a47a10 100644
--- a/arch/parisc/configs/generic-32bit_defconfig
+++ b/arch/parisc/configs/generic-32bit_defconfig
@@ -47,7 +47,6 @@ CONFIG_INET_ESP=m
CONFIG_INET_DIAG=m
CONFIG_LLC2=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/parisc/include/asm/special_insns.h b/arch/parisc/include/asm/special_insns.h
index 3d4dd68e181b..a303ae9a77f4 100644
--- a/arch/parisc/include/asm/special_insns.h
+++ b/arch/parisc/include/asm/special_insns.h
@@ -2,6 +2,30 @@
#ifndef __PARISC_SPECIAL_INSNS_H
#define __PARISC_SPECIAL_INSNS_H
+#define lpa(va) ({ \
+ unsigned long pa; \
+ __asm__ __volatile__( \
+ "copy %%r0,%0\n\t" \
+ "lpa %%r0(%1),%0" \
+ : "=r" (pa) \
+ : "r" (va) \
+ : "memory" \
+ ); \
+ pa; \
+})
+
+#define lpa_user(va) ({ \
+ unsigned long pa; \
+ __asm__ __volatile__( \
+ "copy %%r0,%0\n\t" \
+ "lpa %%r0(%%sr3,%1),%0" \
+ : "=r" (pa) \
+ : "r" (va) \
+ : "memory" \
+ ); \
+ pa; \
+})
+
#define mfctl(reg) ({ \
unsigned long cr; \
__asm__ __volatile__( \
diff --git a/arch/parisc/kernel/alternative.c b/arch/parisc/kernel/alternative.c
index bf2274e01a96..ca1f5ca0540a 100644
--- a/arch/parisc/kernel/alternative.c
+++ b/arch/parisc/kernel/alternative.c
@@ -56,7 +56,8 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
* time IO-PDIR is changed in Ike/Astro.
*/
if ((cond & ALT_COND_NO_IOC_FDC) &&
- (boot_cpu_data.pdc.capabilities & PDC_MODEL_IOPDIR_FDC))
+ ((boot_cpu_data.cpu_type <= pcxw_) ||
+ (boot_cpu_data.pdc.capabilities & PDC_MODEL_IOPDIR_FDC)))
continue;
/* Want to replace pdtlb by a pdtlb,l instruction? */
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index c3b1b9c24ede..cd33b4feacb1 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -35,6 +35,15 @@ OUTPUT_FORMAT("elf64-hppa-linux")
OUTPUT_ARCH(hppa:hppa2.0w)
#endif
+#define EXIT_TEXT_SECTIONS() .exit.text : { EXIT_TEXT }
+#if !defined(CONFIG_64BIT) || defined(CONFIG_MLONGCALLS)
+#define MLONGCALL_KEEP(x)
+#define MLONGCALL_DISCARD(x) x
+#else
+#define MLONGCALL_KEEP(x) x
+#define MLONGCALL_DISCARD(x)
+#endif
+
ENTRY(parisc_kernel_start)
#ifndef CONFIG_64BIT
jiffies = jiffies_64 + 4;
@@ -47,15 +56,11 @@ SECTIONS
__init_begin = .;
HEAD_TEXT_SECTION
- INIT_TEXT_SECTION(8)
+ MLONGCALL_DISCARD(INIT_TEXT_SECTION(8))
. = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(PAGE_SIZE)
- /* we have to discard exit text and such at runtime, not link time */
- .exit.text :
- {
- EXIT_TEXT
- }
+ MLONGCALL_DISCARD(EXIT_TEXT_SECTIONS())
.exit.data :
{
EXIT_DATA
@@ -73,11 +78,12 @@ SECTIONS
_text = .; /* Text and read-only data */
_stext = .;
+ MLONGCALL_KEEP(INIT_TEXT_SECTION(8))
.text ALIGN(PAGE_SIZE) : {
TEXT_TEXT
+ LOCK_TEXT
SCHED_TEXT
CPUIDLE_TEXT
- LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
@@ -92,6 +98,7 @@ SECTIONS
*(.lock.text) /* out-of-line lock text */
*(.gnu.warning)
}
+ MLONGCALL_KEEP(EXIT_TEXT_SECTIONS())
. = ALIGN(PAGE_SIZE);
_etext = .;
/* End of text section */
diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h
index bfcd834f42d0..ef783a383c5a 100644
--- a/arch/parisc/math-emu/cnv_float.h
+++ b/arch/parisc/math-emu/cnv_float.h
@@ -47,19 +47,19 @@
((exponent < (SGL_P - 1)) ? \
(Sall(sgl_value) << (SGL_EXP_LENGTH + 1 + exponent)) : FALSE)
-#define Int_isinexact_to_sgl(int_value) (int_value << 33 - SGL_EXP_LENGTH)
+#define Int_isinexact_to_sgl(int_value) ((int_value << 33 - SGL_EXP_LENGTH) != 0)
#define Sgl_roundnearest_from_int(int_value,sgl_value) \
if (int_value & 1<<(SGL_EXP_LENGTH - 2)) /* round bit */ \
- if ((int_value << 34 - SGL_EXP_LENGTH) || Slow(sgl_value)) \
+ if (((int_value << 34 - SGL_EXP_LENGTH) != 0) || Slow(sgl_value)) \
Sall(sgl_value)++
#define Dint_isinexact_to_sgl(dint_valueA,dint_valueB) \
- ((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) || Dintp2(dint_valueB))
+ (((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) != 0) || Dintp2(dint_valueB))
#define Sgl_roundnearest_from_dint(dint_valueA,dint_valueB,sgl_value) \
if (Dintp1(dint_valueA) & 1<<(SGL_EXP_LENGTH - 2)) \
- if ((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) || \
+ if (((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) != 0) || \
Dintp2(dint_valueB) || Slow(sgl_value)) Sall(sgl_value)++
#define Dint_isinexact_to_dbl(dint_value) \
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 121f7603a595..217f15aafa4a 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -562,14 +562,12 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
/* We currently only support kernel addresses */
BUG_ON(sid != KERNEL_SPACE);
- mtsp(sid,1);
-
/*
** WORD 1 - low order word
** "hints" parm includes the VALID bit!
** "dep" clobbers the physical address offset bits as well.
*/
- pa = virt_to_phys(vba);
+ pa = lpa(vba);
asm volatile("depw %1,31,12,%0" : "+r" (pa) : "r" (hints));
((u32 *)pdir_ptr)[1] = (u32) pa;
@@ -594,7 +592,7 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
** Grab virtual index [0:11]
** Deposit virt_idx bits into I/O PDIR word
*/
- asm volatile ("lci %%r0(%%sr1, %1), %0" : "=r" (ci) : "r" (vba));
+ asm volatile ("lci %%r0(%1), %0" : "=r" (ci) : "r" (vba));
asm volatile ("extru %1,19,12,%0" : "+r" (ci) : "r" (ci));
asm volatile ("depw %1,15,12,%0" : "+r" (pa) : "r" (ci));
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 8a9ea9bd050c..296668caf7e5 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -569,11 +569,10 @@ sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
u64 pa; /* physical address */
register unsigned ci; /* coherent index */
- pa = virt_to_phys(vba);
+ pa = lpa(vba);
pa &= IOVP_MASK;
- mtsp(sid,1);
- asm("lci 0(%%sr1, %1), %0" : "=r" (ci) : "r" (vba));
+ asm("lci 0(%1), %0" : "=r" (ci) : "r" (vba));
pa |= (ci >> PAGE_SHIFT) & 0xff; /* move CI (8 bits) into lowest byte */
pa |= SBA_PDIR_VALID_BIT; /* set "valid" bit */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.