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ANDROID: abi_gki_aarch64_qcom: Add symbols for 32bit execve

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Export cpu_maps_update_begin, cpu_maps_update_done to be used by vendor
modules, particularly to hold locks when affinity is being updated
for 32 bit task exec.

Leaf changes summary: 6 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 4 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 2 Added variables

4 Added functions:

  [A] 'function int __traceiter_android_vh_force_compatible_post(void*, void*)'
  [A] 'function int __traceiter_android_vh_force_compatible_pre(void*, void*)'
  [A] 'function void cpu_maps_update_begin()'
  [A] 'function void cpu_maps_update_done()'

2 Added variables:

  [A] 'tracepoint __tracepoint_android_vh_force_compatible_post'
  [A] 'tracepoint __tracepoint_android_vh_force_compatible_pre'

Bug: 187917024
Change-Id: I02b28f7c34b21a1bfb309fcbd4e9afc306febdd6
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
This commit is contained in:
Shaleen Agrawal
2021-06-03 16:58:19 -07:00
committed by Todd Kjos
parent 3f5e8b830c
commit 2a1bc2387d
3 changed files with 339 additions and 307 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/cpu.c
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@@ -278,11 +278,13 @@ void cpu_maps_update_begin(void)
{
mutex_lock(&cpu_add_remove_lock);
}
EXPORT_SYMBOL_GPL(cpu_maps_update_begin);
void cpu_maps_update_done(void)
{
mutex_unlock(&cpu_add_remove_lock);
}
EXPORT_SYMBOL_GPL(cpu_maps_update_done);
/*
* If set, cpu_up and cpu_down will return -EBUSY and do nothing.