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| author | Cristian Ciocaltea <cristian.ciocaltea@collabora.com> | 2023-09-08 14:23:36 +0300 |
|---|---|---|
| committer | Cristian Ciocaltea <cristian.ciocaltea@collabora.com> | 2023-09-08 16:57:28 +0300 |
| commit | 78c80da7eadbece78c04262a77e554a9ef6f7fba (patch) | |
| tree | 257f243b2d4db34eb4ec3a5110c8f67a5d656c04 /arch/arm64/kernel/fpsimd.c | |
| parent | b4761bb75906e99afba2f3a7b44d2f91e8ba1796 (diff) | |
| parent | 59b13c2b647e464dd85622c89d7f16c15d681e96 (diff) | |
| download | linux-78c80da7eadbece78c04262a77e554a9ef6f7fba.tar.gz | |
Merge tag 'v6.1.52' into 6.1/features/merge-fixes
Fix conflicts: drivers/gpu/drm/amd/amdgpu/amdgpu.h drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c drivers/gpu/drm/amd/display/dc/core/dc.c drivers/gpu/drm/amd/display/dc/core/dc_link.c drivers/gpu/drm/amd/display/dc/core/dc_resource.c drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c drivers/gpu/drm/amd/display/dc/inc/core_types.h drivers/gpu/drm/amd/pm/powerplay/inc/hwmgr.h drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c drivers/thunderbolt/quirks.c Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 59aaf2e68833..8cd59d387b90 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -634,7 +634,7 @@ static void fpsimd_to_sve(struct task_struct *task) void *sst = task->thread.sve_state; struct user_fpsimd_state const *fst = &task->thread.uw.fpsimd_state; - if (!system_supports_sve()) + if (!system_supports_sve() && !system_supports_sme()) return; vq = sve_vq_from_vl(thread_get_cur_vl(&task->thread)); @@ -660,7 +660,7 @@ static void sve_to_fpsimd(struct task_struct *task) unsigned int i; __uint128_t const *p; - if (!system_supports_sve()) + if (!system_supports_sve() && !system_supports_sme()) return; vl = thread_get_cur_vl(&task->thread); @@ -791,7 +791,8 @@ void sve_sync_from_fpsimd_zeropad(struct task_struct *task) void *sst = task->thread.sve_state; struct user_fpsimd_state const *fst = &task->thread.uw.fpsimd_state; - if (!test_tsk_thread_flag(task, TIF_SVE)) + if (!test_tsk_thread_flag(task, TIF_SVE) && + !thread_sm_enabled(&task->thread)) return; vq = sve_vq_from_vl(thread_get_cur_vl(&task->thread)); @@ -863,7 +864,7 @@ int vec_set_vector_length(struct task_struct *task, enum vec_type type, */ task->thread.svcr &= ~(SVCR_SM_MASK | SVCR_ZA_MASK); - clear_thread_flag(TIF_SME); + clear_tsk_thread_flag(task, TIF_SME); free_sme = true; } } @@ -1238,9 +1239,9 @@ void fpsimd_release_task(struct task_struct *dead_task) * the interest of testability and predictability, the architecture * guarantees that when ZA is enabled it will be zeroed. */ -void sme_alloc(struct task_struct *task) +void sme_alloc(struct task_struct *task, bool flush) { - if (task->thread.za_state) { + if (task->thread.za_state && flush) { memset(task->thread.za_state, 0, za_state_size(task)); return; } @@ -1459,7 +1460,7 @@ void do_sme_acc(unsigned long esr, struct pt_regs *regs) } sve_alloc(current, false); - sme_alloc(current); + sme_alloc(current, true); if (!current->thread.sve_state || !current->thread.za_state) { force_sig(SIGKILL); return; |