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| author | Maxime Ripard <mripard@kernel.org> | 2024-04-23 08:48:56 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-04-23 08:48:56 +0200 |
| commit | c058e7a8f8af355e4a441c89400a6e95a16320e5 (patch) | |
| tree | ed96dcd06e69f508a3f8a112a29fd228289429a6 /arch/riscv/kernel/patch.c | |
| parent | drm/rockchip: rk3066_hdmi: switch to struct drm_edid (diff) | |
| parent | Backmerge tag 'v6.9-rc5' into drm-next (diff) | |
| download | linux-c058e7a8f8af355e4a441c89400a6e95a16320e5.tar.gz linux-c058e7a8f8af355e4a441c89400a6e95a16320e5.zip | |
Merge drm/drm-next into drm-misc-next
Maíra needs a backmerge to apply v3d patches, and Danilo for some
nouveau patches.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'arch/riscv/kernel/patch.c')
| -rw-r--r-- | arch/riscv/kernel/patch.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c index 37e87fdcf6a0..30e12b310cab 100644 --- a/arch/riscv/kernel/patch.c +++ b/arch/riscv/kernel/patch.c @@ -80,6 +80,8 @@ static int __patch_insn_set(void *addr, u8 c, size_t len) */ lockdep_assert_held(&text_mutex); + preempt_disable(); + if (across_pages) patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1); @@ -92,6 +94,8 @@ static int __patch_insn_set(void *addr, u8 c, size_t len) if (across_pages) patch_unmap(FIX_TEXT_POKE1); + preempt_enable(); + return 0; } NOKPROBE_SYMBOL(__patch_insn_set); @@ -122,6 +126,8 @@ static int __patch_insn_write(void *addr, const void *insn, size_t len) if (!riscv_patch_in_stop_machine) lockdep_assert_held(&text_mutex); + preempt_disable(); + if (across_pages) patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1); @@ -134,6 +140,8 @@ static int __patch_insn_write(void *addr, const void *insn, size_t len) if (across_pages) patch_unmap(FIX_TEXT_POKE1); + preempt_enable(); + return ret; } NOKPROBE_SYMBOL(__patch_insn_write); |