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LoongArch fixes for v6.9-rc6

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Merge tag 'loongarch-fixes-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Fix some build errors and some trivial runtime bugs"

* tag 'loongarch-fixes-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: Lately init pmu after smp is online
  LoongArch: Fix callchain parse error with kernel tracepoint events
  LoongArch: Fix access error when read fault on a write-only VMA
  LoongArch: Fix a build error due to __tlb_remove_tlb_entry()
  LoongArch: Fix Kconfig item and left code related to CRASH_CORE
This commit is contained in:
Linus Torvalds 2024-04-26 10:55:23 -07:00
commit 09ef295717
6 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/loongarch/Kconfig
View File

@ -595,7 +595,7 @@ config ARCH_SELECTS_CRASH_DUMP
select RELOCATABLE
config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
def_bool CRASH_CORE
def_bool CRASH_RESERVE
config RELOCATABLE
bool "Relocatable kernel"

4
arch/loongarch/include/asm/crash_core.h → arch/loongarch/include/asm/crash_reserve.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _LOONGARCH_CRASH_CORE_H
#define _LOONGARCH_CRASH_CORE_H
#ifndef _LOONGARCH_CRASH_RESERVE_H
#define _LOONGARCH_CRASH_RESERVE_H
#define CRASH_ALIGN SZ_2M

8
arch/loongarch/include/asm/perf_event.h
View File

@ -7,6 +7,14 @@
#ifndef __LOONGARCH_PERF_EVENT_H__
#define __LOONGARCH_PERF_EVENT_H__
#include <asm/ptrace.h>
#define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs
#define perf_arch_fetch_caller_regs(regs, __ip) { \
(regs)->csr_era = (__ip); \
(regs)->regs[3] = current_stack_pointer; \
(regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \
}
#endif /* __LOONGARCH_PERF_EVENT_H__ */

2
arch/loongarch/include/asm/tlb.h
View File

@ -132,8 +132,6 @@ static __always_inline void invtlb_all(u32 op, u32 info, u64 addr)
);
}
#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
static void tlb_flush(struct mmu_gather *tlb);
#define tlb_flush tlb_flush

2
arch/loongarch/kernel/perf_event.c
View File

@ -884,4 +884,4 @@ static int __init init_hw_perf_events(void)
return 0;
}
early_initcall(init_hw_perf_events);
pure_initcall(init_hw_perf_events);

4
arch/loongarch/mm/fault.c
View File

@ -202,10 +202,10 @@ static void __kprobes __do_page_fault(struct pt_regs *regs,
if (!(vma->vm_flags & VM_WRITE))
goto bad_area;
} else {
if (!(vma->vm_flags & VM_READ) && address != exception_era(regs))
goto bad_area;
if (!(vma->vm_flags & VM_EXEC) && address == exception_era(regs))
goto bad_area;
if (!(vma->vm_flags & (VM_READ | VM_WRITE)) && address != exception_era(regs))
goto bad_area;
}
/*