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authorVignesh Raghavendra <vigneshr@ti.com>2022-06-04 13:32:19 +0530
committerVignesh Raghavendra <vigneshr@ti.com>2022-06-04 13:32:19 +0530
commitde63dee020025075c6962f6b536797bc3af3e970 (patch)
tree89173487fdaabb029dfb1b0a6b68484ec3edef35 /arch/parisc/kernel/patch.c
parentcc13f3f3acad08038b76f5f26f66151c136d1eaf (diff)
parente61686bb77c441d8e5f10dc063e2cea799e4aae6 (diff)
Merge tag 'v5.10.115' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux into ti-linux-5.10.y
This is the 5.10.115 stable release * tag 'v5.10.115' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux: (1162 commits) Linux 5.10.115 mmc: rtsx: add 74 Clocks in power on flow PCI: aardvark: Fix reading MSI interrupt number PCI: aardvark: Clear all MSIs at setup dm: interlock pending dm_io and dm_wait_for_bios_completion block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern rcu: Apply callbacks processing time limit only on softirq rcu: Fix callbacks processing time limit retaining cond_resched() KVM: LAPIC: Enable timer posted-interrupt only when mwait/hlt is advertised KVM: x86/mmu: avoid NULL-pointer dereference on page freeing bugs KVM: x86: Do not change ICR on write to APIC_SELF_IPI x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume net/mlx5: Fix slab-out-of-bounds while reading resource dump menu kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU net: igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter() btrfs: always log symlinks in full mode smsc911x: allow using IRQ0 selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer bnxt_en: Fix unnecessary dropping of RX packets bnxt_en: Fix possible bnxt_open() failure caused by wrong RFS flag ... Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/parisc/kernel/patch.c')
-rw-r--r--arch/parisc/kernel/patch.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/parisc/kernel/patch.c b/arch/parisc/kernel/patch.c
index 80a0ab372802..e59574f65e64 100644
--- a/arch/parisc/kernel/patch.c
+++ b/arch/parisc/kernel/patch.c
@@ -40,10 +40,7 @@ static void __kprobes *patch_map(void *addr, int fixmap, unsigned long *flags,
*need_unmap = 1;
set_fixmap(fixmap, page_to_phys(page));
- if (flags)
- raw_spin_lock_irqsave(&patch_lock, *flags);
- else
- __acquire(&patch_lock);
+ raw_spin_lock_irqsave(&patch_lock, *flags);
return (void *) (__fix_to_virt(fixmap) + (uintaddr & ~PAGE_MASK));
}
@@ -52,10 +49,7 @@ static void __kprobes patch_unmap(int fixmap, unsigned long *flags)
{
clear_fixmap(fixmap);
- if (flags)
- raw_spin_unlock_irqrestore(&patch_lock, *flags);
- else
- __release(&patch_lock);
+ raw_spin_unlock_irqrestore(&patch_lock, *flags);
}
void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len)
@@ -67,8 +61,9 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len)
int mapped;
/* Make sure we don't have any aliases in cache */
- flush_kernel_vmap_range(addr, len);
- flush_icache_range(start, end);
+ flush_kernel_dcache_range_asm(start, end);
+ flush_kernel_icache_range_asm(start, end);
+ flush_tlb_kernel_range(start, end);
p = fixmap = patch_map(addr, FIX_TEXT_POKE0, &flags, &mapped);
@@ -81,8 +76,10 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len)
* We're crossing a page boundary, so
* need to remap
*/
- flush_kernel_vmap_range((void *)fixmap,
- (p-fixmap) * sizeof(*p));
+ flush_kernel_dcache_range_asm((unsigned long)fixmap,
+ (unsigned long)p);
+ flush_tlb_kernel_range((unsigned long)fixmap,
+ (unsigned long)p);
if (mapped)
patch_unmap(FIX_TEXT_POKE0, &flags);
p = fixmap = patch_map(addr, FIX_TEXT_POKE0, &flags,
@@ -90,10 +87,10 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len)
}
}
- flush_kernel_vmap_range((void *)fixmap, (p-fixmap) * sizeof(*p));
+ flush_kernel_dcache_range_asm((unsigned long)fixmap, (unsigned long)p);
+ flush_tlb_kernel_range((unsigned long)fixmap, (unsigned long)p);
if (mapped)
patch_unmap(FIX_TEXT_POKE0, &flags);
- flush_icache_range(start, end);
}
void __kprobes __patch_text(void *addr, u32 insn)