Commit c994ac74 authored by Namhyung Kim's avatar Namhyung Kim
Browse files

tools headers: Sync uapi/linux/prctl.h with the kernel sources 



To pick up the changes in this cset:

  09d6775f riscv: Add support for userspace pointer masking
  91e102e7 prctl: arch-agnostic prctl for shadow stack

This addresses these perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/perf/trace/beauty/include/uapi/linux/prctl.h include/uapi/linux/prctl.h

Please see tools/include/uapi/README for further details.

Reviewed-by: default avatarJames Clark <james.clark@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20241203035349.1901262-11-namhyung@kernel.org


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent 02116fcf

tools/perf/trace/beauty/include/uapi/linux/prctl.h

+26 −1
Original line number Diff line number Diff line
@@ -230,7 +230,7 @@ struct prctl_mm_map { 
# define PR_PAC_APDBKEY			(1UL << 3)

# define PR_PAC_APGAKEY			(1UL << 4)



/* Tagged user address controls for arm64 */

/* Tagged user address controls for arm64 and RISC-V */

#define PR_SET_TAGGED_ADDR_CTRL		55

#define PR_GET_TAGGED_ADDR_CTRL		56

# define PR_TAGGED_ADDR_ENABLE		(1UL << 0)
@@ -244,6 +244,9 @@ struct prctl_mm_map { 
# define PR_MTE_TAG_MASK		(0xffffUL << PR_MTE_TAG_SHIFT)

/* Unused; kept only for source compatibility */

# define PR_MTE_TCF_SHIFT		1

/* RISC-V pointer masking tag length */

# define PR_PMLEN_SHIFT			24

# define PR_PMLEN_MASK			(0x7fUL << PR_PMLEN_SHIFT)



/* Control reclaim behavior when allocating memory */

#define PR_SET_IO_FLUSHER		57
@@ -328,4 +331,26 @@ struct prctl_mm_map { 
# define PR_PPC_DEXCR_CTRL_CLEAR_ONEXEC	0x10 /* Clear the aspect on exec */

# define PR_PPC_DEXCR_CTRL_MASK		0x1f



/*

 * Get the current shadow stack configuration for the current thread,

 * this will be the value configured via PR_SET_SHADOW_STACK_STATUS.

 */

#define PR_GET_SHADOW_STACK_STATUS      74



/*

 * Set the current shadow stack configuration.  Enabling the shadow

 * stack will cause a shadow stack to be allocated for the thread.

 */

#define PR_SET_SHADOW_STACK_STATUS      75

# define PR_SHADOW_STACK_ENABLE         (1UL << 0)

# define PR_SHADOW_STACK_WRITE		(1UL << 1)

# define PR_SHADOW_STACK_PUSH		(1UL << 2)



/*

 * Prevent further changes to the specified shadow stack

 * configuration.  All bits may be locked via this call, including

 * undefined bits.

 */

#define PR_LOCK_SHADOW_STACK_STATUS      76



#endif /* _LINUX_PRCTL_H */